CURRENT SITUATION AND OPTIONS IN SOUTH VIETNAM

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CIA-RDP68R00530A000100130014-8
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RIPPUB
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T
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10
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December 19, 2016
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October 27, 2005
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14
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Publication Date: 
June 16, 1965
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REPORT
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Approved For Release 20 ]j10oDl&gBR00530A000100130014-8 WORKING AID FOR THE DIRECTOR OF CENTRAL INTELLIGENCE SUBJECT Current Situation and Options in South Vietnam This working aid presents, in tabular form, some of the vital elements of the situation in South Vietnam and postulates certain US options for dealing with that situation. The vertical column lists the major participants in the situation; the horizontal bar lists elements of the situation or US options. At each intersection, therefore, will be found statements relating one of the participants to an element of the situation or stating that participant's estimated response to a US option. Where published Special National Intelligence Esti- mates or ONE memoranda are applicable to a given option, these are cited in a source reference; otherwise the statements represent the judgment of the CIA Vietnam Working Group. Statements are numbered by combining the Roman numeral in the vertical column with the Arabic numeral on the horizontal bar; e.g. IB5 refers to the South Vietnamese reaction to the US option postulated in column 5 of the table. A Top Secret table approved by the Joint Chiefs of Staff in November 1964 is attached as an annex; it postulates certain Communist military actions and suggests US/GVN responses as foreseen at that time. Use of the JCS table in this context has not been auauthorized by the Department of Defense. PREPARED BY THE CIA VIETNAM WORKING GROUP JCS review(s) completed. TOP SECRET Approved For Release 2006/03/10 : CIA-RDP68R0053OA000100130014-8 Approved For Release 2006/03/10 : CIA-RDP68R0053OA000100130014-8 TOP SECRET tw~w d`' "t ' -- /-, c.- r~/V ~/IrWMMVY"`~t CURRENT SITUATION and OPTIONS SOUTH VIETNAM TOP SECRET Approved For Release 2006/03/10 : CIA-RDP68R0053OA000100130014-8 25X1 TOP SECRET Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 1 Minimum Objectives & Interests 2 Current Tactics 3 Stated Conditions for Negotiations US 1. Containment of Chicom expansionism in SEA 1. Limited bombing of north to hamper infiltra- None, other than unwillingness to deal with r 2. . Establishment of a stable, independent, non- tion, hearten SVN, and eventually hurt DRV h to cause it to call off war enou Liberation Front. - - 0 Communist government in Saigon. 2. . g Improvement of balance of forces through in- 3. Cessation of hostile armed activity in SVN. tensified local recruitment and deployment SVN 1. Physical & economic _ security of US and other forces. 3. Compete with Viet Cong for popular support i-B 2. 3 Survival as an independent entity Preservation of traditional social & through wide variety of civic and military l b tt l f . er oca or e measures including pressure cultural patterns and national government. NVN 1 Force US out of South Vietnam 1. Supply of men and arms to Viet Cong " " Insists it has no "preconditions", only "working . 2. volunteers Threaten overt introduction of principles", which center around cessation of 2. 2 Set up government under Communist p g from the north, bombings against DRV, recognition of Front, US influence. 3. Generate international pressures on US to withdrawal. ---- withdraw. Same ---- VIET CONG "---'" 3 1. 2. Destruction of ARVN units and will to resist. Terrorism, agitation and subversion aimed at Essentially the same as DRV, but often stated as "preconditions". disrupting SVN political and social order. 1 Elimination of US influence from SVN 1. Supply of military aid to DRV and VC. No stated conditions of its own but Peiping has T . 2 Propaganda and diplomatic support for DRV strongly endorsed the position taken by DRV and 2. Set up Communist-dominated, pro-Chinese gov- . NFLSV. ernment in Saigon. and VC. COMMUNIST 3. Take credit for any Communist victory in SVN 3. Psychological warfare, including threats of CHINA to prove Chicom methods are better than Soviet intervention. in fighting US. 4. Preservation of a Communist regime in NVN. 1. Avoidance of general war. 1. Supply of military equipment to DRV. None stated on its own. Y 2 Take as much credit as possible from any Commu. Has voiced support for DRV and NFLSV positions. . nist victory in South Vietnam and deny credit 2. Political pressures on US to negotiate on Has stated belief that the first step toward DRV/VC terms, negotiations must be cessation of bombings. to Peiping. USSR 3. Preservation of a Communist regime in NVN. 4. Limit spread of Chinese influence in SE Asia. I GENERAL 25X' TOP SECRET Approv d For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 VIET CONG COMMUNIST' CHINA Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 Current Prospects US Option #1 Bombing thus far had little impact either on ability or willingness of DRV to support war in south. Government forces hard pressed as Viet Cong intensify offensive operations. Political instability in Saigon weakening war effort and bringing pacification ac- tivities to virtual standstill. Presently favorable for the destruction of ARVN fighting ability and morale. The closer the ARVN comes to defeat, the better the Chinese Communist position. Dim for arranging a negotiated settlement. Only fair for countering Chicom boasts that Vietnam war proves its thesis on revolution correct. 3. Placed in increasingly difficult position as war escalates. Terminate commitments in SVN and withdraw under conditions which impair US standing elsewhere as little as possible. Political and military collapse, Triumphant propaganda boasting about success of Vietnamese people in throwing out foreign "aggres sor". Early moves to establish at least de facto political control over all of Vietnam. Early moves to smash remaining vestiges of anti- Communist authority and to absorb South Vietnamese government under VC banner. Vindication of theses on "US paper tiger" and national liberation strategy. Employment of Communist victory in Vietnam to improve China's standing in world Communist move- ment to detriment of USSR. Increase in pressure on Laos, Cambodia, and Northern Thailand. Increased problems with Peiping in World Commu- nist Movement. Re-examination of estimates of US staying power in face of "liberation wars" and, perhaps, in- creased support of "liberation movements" in Africa and Latin America. Initial relief at cessation of hostility and diminished risk of general war. Widespread belief that US had failed in test case of its ability to cope with insurgency. Asian countries would review their relations with US and Peiping and would downgrade import- ance and value of US backing and support. Approve f For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 US Option #2 Continue according to present plans, using only those forces currently programmed and avoiding major escalation in NVN. GVN will probably be unable to cope with mount- ing VC military pressure and ARVN may be defeated or virtually destroyed on field of battle. Steady increase of support to VC, continued dis- interest in neogitations and hardening of DRV at- titude. Constant increase in military pressure on GVN and in political agitation and terrorism, es- pecially in urban areas. Continued encouragement to Hanoi to perservere and not be seduced by negotiation offers. Additional promises of support to NVN, par- ticularly if it appears that such support will not be needed. Will probably not even try to urge early nego- tiations on Hanoi. Will probably continue to pro- vide support, at least in terms of material as- sistence to improve DRV's air defense capability, including radar and, perhaps, additional SAMs. Continued criticism of US involvement in Viet- nam and increasing disbelief in possibility of US/GVN success. Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 25X1 TOP SECRET US Option #3 VIET CONG COMMUNIST CHINA Major augmentation and commitment of US Forces to offensive action (per Westmoreland suggestion) but avoiding major escalation in NVN. Ambivalent reaction: encouragement but some tendency to "let US do it". Probably improvement in military situation,but actual result would depend on how US Forces used and key determinant would be effectiveness of total effort, political as well as military. No lessening of determination to win but would recognize task had become harder. Combat results would be real test. DRV would step up its support, including addi- tional NVN line units. If tide of battle ran heavily against VC, might consider negotiations. Would urge VC and DRV to continue struggle. Would promise more aid should US invade NVN. Might make some troop movements in Southern China to underscore commitment but would prob- ably not intervene at this stage. Problems would grow more acute. Would see no alternative to continued support for DRV. In time might have to face awkward choice of moving toward withdrawal or accepting risks of deepening Soviet commitment. Those who doubt US ability to avoid defeat would think agony being prolonged and escalation risks increased. Governments which support US would come under GENERAL I increasing criticism. Approv US Option #4 Combine option #2 with unrestricted aerial war- fare in NVN. Morale would be heartened by punishment of north, but situation on ground in SVN would be about as described in option #2. So long as Communist progress was being made on the ground in SVN, Hanoi would probably perservere. VC would press on as described above in option #2. Reduced DRV resupply capabilies might even- tually be felt but not for some time and issue might be decided by then. So long as Communists think they are winning in SVN, Peiping unlikely to intervene with ground forces. Commitment of Chinese aircraft and pilots based in NVN, likely; Chicom air operations from bases in China less likely unless Chinese territory ac- tually attacked. Chicom attacks elsewhere in Asia (off shores, Taiwan, Korea) unlikely. So long as Communists think they are winning in SVN, USSR most unlikely to intervene with ground forces. New pressures and threats against US. Further military aid if feasible. Criticism (including domestic) of US action would mount sharply as would pressure on -- and from -- allied governments. Condemnation from UN likely. 9 US Option #5 Combining option #3 with unrestricted aerial warfare in NVN. Improvement of morale and capability for coping with VC pressure but ultimate test would still be that of combat and effectiveness of total program (See #3) Unless VC decisively checked on ground 4A SVN, DRV would probably perservere. If VC so checked would probably seek negotiations. Would perservere as in #3 above unless or until ordered to desist by Hanoi. Ash #4, but would make obvious troop move- ments as if to intervene. As in #4 Appearance "volunteers" possible. As in #4 but more so. Approved For Release 20061 A0SU P68R00530A000100130014-8 SENSITIVE, JCS Postulation of Possible Communist Actions and Possible US/GVN Countermoves Communist Action 1. Stepped up VC operations. VC might attack US/GVN bases, terrorize US citizens, try to disrupt SVN govt and economy with increased terror, sabotage, attacks in Saigon, pro- vincial capitals, and rural areas. 2. DRV or Chicom air attacks on SVN or US carriers. The DRV Air Force (if not crippled by US strikes) can conduct fighter-bomber attacks against northern SVN and close-in carriers. From Hainan, Chicom fighter-bombers can reach northern half of SVN, and bombers can reach all of SVN and carriers in So. China Sea. 3. DRV ground attack against SVN or Laos. The DRV, for reasons of rear area security and coast defense, has only 5 deployable divisions. It can, depending on weather, put and support 2 (in 48 hrs) to 5 divisions across the DMZ and/or up to 3 into Laos. 4. Chicom/DRV ground attack into SE Asia. If not interdicted, the Chicom/DRV, depending on weather, can put and support 7-24 divisions into SEA. First Chicom forces could enter South Vietnam in 10 days. Possible US/Allied Countermoves a. Take additional security measures, including dispersal outside SVN of some US air and adding US/GVN ground forces for base security and for protection of key cities or installations. b. Step up attack on infiltration targets. c. Evacuate unessential non-combatants. d. Carry out reprisals in dramatic cases. a. If Communist attack small, consider a limited reprisal. b. If large and only DRV involved: (1) US/GVN airstrike DRV airfields, POL and support facil- ities to kill the DRV Air Force; (2) reinforce air defenses in SVN as insurance against Chicom air strikes; (3) alert US ground forces for de- ployment to SEA. c. If large and Chicoms involved: (1) US air intercept, engage in "hot pursue" Chicom air- craft; (2) US air strike air bases and related facilities in South China; (3) to forestall Chi- com ground action, US air strike interdiction- type targets in South China; (4) consider hitting Chicom nuclear production facilities; (5) begin major deployments to SEA and West Pac to provide against the contingency of Chicom ground inter- vention. a. Defense: GVN ground defense, augmented quickly by US ground forces. b. Offense: (1) US/GVN interdiction, attrition and punitive air attacks on NVN; (2) US harbor mining and naval blockade; (3) early US/GVN ground offensive (consider seizing and occupying some or all of NVN). c. Major deployments: Begin major US deployments to SEA and West Pac to provide against the contin- gency of Chicom intervention. In addition to actions in para 3 above: d. Extend air strikes and blockade to So. China, increase US ground forces in SEA to 5-2/3 divi- sions, and employ US naval and air forces on a large scale against China. e. Consider attacking Chicom nuclear production facilities. f. Stress either a ground offensive to seize North Vietnam (per OPLAN 32-64) or air and naval action designed to drive Red China out of the war A gvg 0061( l (01 11-~ ~ ~5 A~@~ a,"4-8 We cannot prevent stepped up VC operations, but, unless the SVN Government topples, the VC could harass but not stop US/GVN strike programs (which could be conducted entirely from outside SVN). Air superiority over DRV should be achiev- able in 2 days, over South China in 5 days. If Chicoms openly intervene and US conducts strikes on the Chinese homeland, the risk of further es- calation would be great. SVN's army would be outnumbered 2 or more to 1. It can resist initially with 1 div, plus an airborne brigade as lift became available. The ARVN's counter-VC role would slow further reinforcement. US air countermoves could be brought to bear on short notice. US ground forces, if not de- ployed in advance, would be arriving in the area slower than Chinese forces, unless the latter were successfully interdicted. Approved For Release fkyp/g F~68R00530A000100130014-8 I-B-5 through V-5: 11-6 through V-6: I-B-7 through V-7: I-B-8: 11-8 through IV-8: V-8: OPTION #5 11-9 through V-9: SOURCE SHEET (Options) Working Group judgment; this option has not previously been considered by CIA or the USIB. Working Group judgment; MACV (Westmoreland cable) is even more gloomy. Working Group judgment; in accord with tenor of recent estimates though latter have not been specifically addressed to this option. ONE 10 June 65 coordinated memoran- dum "Reactions to a Further US Buildup in South Vietnam". Working Group judgment; not specifi- cally addressed in earlier estimates. Covered by statement or implication in 11 June 65 ONE Briefing Paper. Working Group judgment; not really covered in earlier estimates. Working Group judgment. Covered in part in ONE Briefing Paper, 11 June 65. 7'OP SECRET Approved For Release 2006/03/10 : CIA-RDP68R0053OA000100130014-8 Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 THE SITUATION lb IIb COMMUNIST CHINA IV 1. Containment of ChiCom expansionism in SEA. 2. Establishment of a stable, independent, non- Communist government in Saigon. 3. Cessation of hostile armed activity in SVN. 1. Physical & economic security 2. Survival as an independent entity. 3. Preservation of traditional social & cultural patterns. 1. Force US out of South Vietnam. 2. Set up coalition government under Communist influence. 1. Elimination of US influence from SVN. 2. Set up Communist-dominated, pro-Chinese government in Saigon. 3. Take credit for any Communist victory in SVN to prove ChiCom methods are better than Soviet in fighting US. 4. Preservation of a Communist regime in NVN. 1. Avoidance of general war. 2. Take as much credit as possible from any Communist victory in South Vietnam and deny credit to Peiping. 3. Preservation of a Communist regime in NVN. 4. Limit spread of Chinese influence in SE Asia. 1. Limited bombing of north to hamper infiltra- tion, hearten SVN, and eventually hurt DRV enough to cause it to call off war. 2. Improvement of balance of forces through intensified local recruitment and deployment of US and other forces. 3. Compete with Viet Cong for popular support through wide variety of civic and military measures including pressure for better local and national government. 1. Supply of men and arms to Viet Cong. 2. Threaten overt introduction of "volunteers" from the north. 3. Generate international pressures on US to withdraw. 1. Destruction of ARVN units and will to resist. 2. Terrorism, agitation and subversion aimed at disrupting SVN political and social order. 1. Supply of military aid to DRV and VC. 2. Propaganda and diplomatic support for DRV and VC. 3. Psychological warfare, including threats of intervention. 1. Supply of military equipment to DRV. 2. Political pressures on US to negotiate on DRV/VC terms. None, other than unwillingness to deal with Liberation Front. 1. Bombing thus far has had little impact either on ability or willingness of DRV to support war in south. 2. Government forces hard pressed as Viet Cong intensify offensive operations. 3. Political instability in Saigon weakening war effort and bringing pacification activities to virtual standstill. Presently favorable for the destruction of ARVN fighting ability and morale. Insists it has no "preconditions", only "working principles", which center around cessation of bombings against DRY, recognition of Front, US withdrawal. Essentially the same as DRY, but often stated as "preconditions". No stated conditions of its own but Peiping has strongly endorsed the position taken by DRV and NFLSV. None stated on its own. Has voiced support for DRV and NFLSV positions. Has stated belief that the first step toward negotiations must be cessation of bombings. The closer the ARVN comes to defeat, the better the Chinese Communist position. 1. Dim for arranging a negotiated settlement. 2. Only fair for countering ChiCom boasts that Vietnam war proves its thesis on revolution correct. 3. Placed in increasingly difficult position as war escalates. Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 E US OPTION #1 F U$ OPTION #2 ( G US OPTION #3 H US OPTION #4 H US OPTION #5 US OPTION #6 I J US Terminate commitments in SVN and withdraw under Continue according to present plans, using only Yajor augmentation and commitment of US farces to u t i conditions which impair US standing elsewhere those forces currently programmed and avoiding offensive action in SVN but avoiding major Unrestricted aerial warfare in with no t ti nres r cted aerial warfare in NVN with major au t ti d Invade North Vietnam in farce in effort to as little as possible. major escalation on NVN escalation in NYN. t major augmen a on of -S effort in SVN. gmen a on an commitment of US forces in SVN. bring it capitulation by Hanoi la , --- _ - _ _ _ _ _ _ Ambivalent reaction: encouragement but some - - - - - - - - 1, GVN though enthusiastic would be able to NN tendency to "let US do it", Morale would be heartened by punishment of north Improvement of morale and capability for ct i , , contribute only token force5. Political and military collapse. e. y ps GVN will proba probably be unable to cope with mount- , p 19 2, Some backlash resentment at colonialist probabl imp r yement in military situation, but as describ d i ti #2 be that of o b t d ff ti ieplications of US effort. or virtually destroyed on field of battle. actual result would depend on how US forces used e n op on . m c a an e ec veness of total ( I b and key determinant would be effectiveness of program See #3) IF IF total effort, political as well as military. o NUN Triumphant propaganda boasting about success of Steady increase of support to VC continued I No lessening of determination to win but would i IT So long as Communist p rogress w as be ing made Vietnamese people in throwing out foreign " , disinterest in negotiations and hardening of recognize task had become Larder H on the ground in $VN, anoi would Probably l o peebeiveyly checked on ground in c e 1. Pierce ce n dance, in both conventional and aggressor". Early move s to establish at least pgy attitude . . persevere. e k URV wou d probably persevere VC so checked I il Is m odes guerr, by all wed forces II a de facto political control over all of Vietnam. Combat results would be real test s. would probably seek negotiations. 2. If press ed, fighting withdrawal to hinterlands _ _ _ _ , _ _ _ or M. into China, and appeal for comitment VI ET CONG - - - - DRV would step up its support, includin g - - - - - of ChiCom farces. Constant increase in military pressure on GVN additional NVN Iine units. Overt i vas on VC would press on as described above in option W I. Almost no likelihood of negotiation or Early moves to smash remaining vestiges of anti- and in.political agitation and terrorism Possible, but covert infiltration more #2. Reduced DRV resupply capabilities might DRV r esu ould persevere s a in #3 above unless or until surrender. II b Co mmunistauthority and to absorb South Viet . , especially in urban areas likely. If tide of battle ran heavily eventually be felt but not for some time and ordered to desist by Hanoi. 1 All t V mesa government under VC banner. against VC, might consider negotiations. issue might be by then, . -ou C effort t o harass US/OVN rear areas. 11F IT G IT H nI Vindication of theses on "US paper tiger" and Continued encouragement to Hanoi to persevere Would urge VC and DRV to continue struggle So long as Communists think they are winning i s A i #4 b national liberation strategy. and not be seduced by negotiation offers. . S Peiping unlikely to intervene with ground s n , ut would make obvious troop movements 1. Neald intervne massively, with or without i Would promise more aid should US invade NtR7 S o Ce as if to intervene invitation, ftheyconsidered NYN resistance COMMUNIST Exploitation of Communist victory in Vietnam to Additional promises of support to M, portico- , g or 9 crumbling thought US/GVN forces likely to amprove China's standing in world communist move- larly if it appears that such support will not Yi ht make some trop mo ements in Southern E Commitment of Chinese aircraft and pilots based approach border. CHINA mast to detriment of USSR, be needed. v ter e oth c Chin' to but would rub- iu NVN, likely; CbiCom air operations from bases troops into Laos and might 2, Probably move in v ne n stn d ably not terene at th iis stage in China less likely unless Chinese territory ai threaten Thailand. Increase in pressure on Laos, Cambodia, and . actually attacked. 3, With would generate intensive propaganda/ III Northern Thailand, to "stop US S aggression". diplomatic pressure in E m I Inc iw attacks an elsewhere in Asia (off shores, T TaaiwanKorea) unlikely. s .I~7 Increased problems with Peiping in world Will probably not even try to urge early Problems would grow more acute. So long as Communists think they are winning in A. in 4 1. Would mount intensive diplomatic effort in communist movement. negotiations on Hanoi. Will probably continue SVN, USSR most unlikely to intervene with . UN and elsewhere to preserve Communist regime to provide support, at least in terms of would see no alternative to continued support ground forces. Further military aid, possibly including in Hanoi. Re-examination of estimates of US staying power " material assistance, to improve DRV's air for ISV. In time might have to face awkward pilots and technicians, if feasible. 2. Would take internal military alert and USSR in face of liberation wars and, perhaps, " defense capability, including radar and, perhaps, choice of moving toward withdrawal or accepting New pressures and threats against US, deployment measures. increased support of liberation movements" in additional SAYS, risks of deepening Soviet commitment. 3. Emergency military aid short of intervention Africa and Latin America, Further military aid, possibly including , with ground units to NVN and perhaps China pilots and technicians, if feasible. , . IV IV I IV G IV IVI IYI Initial relief at cessation of hostility and Continued criticism of US involvement in Th h d bt US bilit As in #4 b t diminished risk of general war. Vietnam and increasing disbelief to possibility ose w o ou a y to avoid defeat mould thi k Criticism (including domestic) of Us action u more so. 1. Criticism of US further intensified, of US/GVN success. n agony being prolonged and escalation risks would mount sharply as would pressure on -- and includin ost certain UN condemnation. g a widespread belief that US had failed in test increased. from -- allied governments. , 2. from orlfor e.g. ^n, forced dissociate GENERAL case of its ability to cope with insur gency. ct from or formally censure p6 ac till. Governments which support US would come udder Condemnation from UN likely. S. Strong possibility of dispatch by Afro- Asian countries would review their relations increasing criticism. Asians of volunteers. with US and Peiping and would downgrade impor- 4. Worldwide demonstrations against US v tones and value of US backing and support. installations and ersonnel. P VE VG V _LT ci Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 lb IIb COMMUNIST CHINA K checking Viet Cone Would provide opportunity for intensive civic action/political consolidation effort to extend GVN authority and win popular support. Would improve morale, possibly generating additional support for GVN and perhaps inspire greater efforts in political/civic action programs. 1. Attempt to counter US/GVN success by intro- ducing substantial numbers-of NVN troops, covertly at first, overtly if necessary. 2. Would probably intensify subversion and terrorism to offset military defeats. 3. Lowered VC morale and rise in defections. 1. Try to keep NVN and VC in the war with increased political and material support. 2. More threats to send volunteers, but actual dispatch unlikely. 3. Might move troops to NVN and Laos borders as a threatening gesture. 4. General propaganda effort to convince US that China will enter the war. 1. Probe for signs that either side wants to negotiate. 2. Harder general public line toward US. 3. Increased military aid to NVN, but no troops. 1. Some relief at apparently improved prospects. 2. More pressure on US for negotiations. Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8 EVENTUALITIES EVENTUALITY #2 Imminent Viet Cong Collapse 1. Heightened requirement for major emphasis on political and economic development programs. 1. Government in power would gain popular prestige from success, though Saigon politicking may increase. 2. Government's ability to translate initial auccess into permanent popular, especially rural, support essential to prevent renewed insurgency. M EVENTUALITY #3 Imminent NVN Collapse Refusal to surrender, fierce delaying action awaiting Chinese rescue. 1, Substantial introduction of NVN troops having failed, would probably seek ceasefire, attempting to preserve clandestine organi- zation and intending to resume at more favorable time. If not already subdued or at least under control, would make all-out effort to harass rear areas and lines of communication. 1. Back up DRV/VC efforts to preserve Viet Cong assets in place through negotiated ceasefire by escalated threats of "volunteer" inter- vention plus show of strength in South China. 2. Make greater effort to preserve DRV as sanctuary by warnings of Chinese intention to defend DRY. 1. Will use imminent VC collapse to press thesis that Chinese Communist policies lead to disaster. 2. Might urge negotiated settlement on DRV. Salutory second thoughts in Afro-Asian world about US ability to counter subversion, insurgency and Chinese expansionism. Massive Chinese intervention, with or without NVN invitation. 1. Continue with substantial military aid to China and NVN, but no direct intervention. 2. Would probably not precipitate crisis elsewhere in the world. N EVENTUALITY #4 Massive ChiCom Intervention 1. Chinese intention would be to drive US forces out of SEA, including Thailand. 2. Within one week at least 6 of 21 infantry divisions in NVN border regions could be moving into NVN. Without interdiction, probably 600,000 troops could be deployed in NVN within 60 days. 3. Although defenses opposite Taiwan would be strengthened, a second front against Taiwan, Korea or India would be avoided. 1. Considerable emergency effort to sustain ChiCom war fighting capabilities. 2. No direct engagement with US forces so long as Soviets saw no direct threat to USSR or to existence of Communist regime in China. 3. Loud sabre-rattling and pressures on both sides for ceasefire. Approved For Release 2006/03/10 : CIA-RDP68R00530A000100130014-8