DEVELOPMENT OF TRAJECTORY COMPUTERS FOR THE WASSERFALL, SCHMETTERLING, AND RHEINTOCHTER MISSILES AT NII-49

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00810A001700790008-9
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 2
• Document Creation Date: December 22, 2016
• Document Release Date: May 14, 2010
• Sequence Number: 8
• Publication Date: August 14, 1953
• Content Type: REPORT

Sanitized Copy Approved for Release 2010/05/14: CIA-RDP80-0081 OA001700790008-9
CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
COUNTRY USSR (Leningrad Oblast)
SUBJECT Development of Trajectory Computers for
the Wasserfall, Schmetterling, and
Rheintochter Missiles at NII-49
This Document contains information affecting the Na-
tional Defense of the United States, within the mean-
ing of Title 18, Sections 793 and 794, of the U.S. Code, as
amended. Its transmission or revelation of its contents
to or receipt by an unauthorized person is prohibited
by law. The reproduction of this form is prohibited.
REPORT
DATE DISTR. 14 August 1953
NO. OF PAGES 2 25X1
REQUIREMEN 25X1
REFERENCES
THE SOURCE EVALUATIONS IN THIS REPORT ARE DEFINITIVE.
THE APPRAISAL OF CONTENT IS TENTATIVE.
(FOR KEY SEE REVERSE)
The Wasserfall trajectory computer development at Institute 49, Leningrad,
commenced about August 1947 and continued through about October 1951. The
Schmetterling trajectory computer development commenced about December 1946 and
continued through about August 1947. The Rheintochter trajectory computer design
commenced about December 1946 and continued through about August 1947.
computers were completed for each of the missiles
L
25 YEAR RE-REVIEWW f?- 1.f-#.'4 BY ?X,,, Rl.1. n,...:6u*Ion By
25X1
25X1
25X1
Sanitized Copy Approved for Release 2010/05/14: CIA-RDP80-0081 OA001700790008-9
 Sanitized Copy Approved for Release 2010/05/14: CIA-RDP80-0081 OA001700790008-9
SEC R E T
2 -
the Wasee a . com-
46 "MY W puter was sent to a place (location not known to me) for firing
tests,-fa the autumn of 1948.
-
lappinst
there seemed to over
on design, re- 2
the times stated above
and construction of prototype ype mo a of the computers
eagiAMIUC
O
for ' &isdffall, Sohmetterling, and Rheintochter. However, the
uter (which
fall com
p
work dh the reconstruction of the Wasser
inelutd d the ,;pol'ar parallax computer).,, which was started .at Gema
in 1945, was completed in NII 49 and turned over to the Soviets
ed to have been
alle
it
g
was
me
in the fall of 1948. At this time
25X'
sent to firing tests in the USS
people employed on.this project 25X'
Twenty-one Germans.
referred to the firing teats ' in 1948, an -.o a ng
, ae in 952, a rack similar to that which holds. the computer
seen.
,
components of the Schmetterling missile..
this rack loaded in a Soviet truck in the yard of ,the-Institute.
not sure that it was a Soh netterliing computer rack,. t
'
II
it resembled the one'designed in 1947 by the Germans at p
Late in l94708aw what was obviously a re-engineered Rhein oc -
ter :parallax computer.
S E 0 R F. T
Sanitized Copy Approved for Release 2010/05/14: CIA-RDP80-0081 OA001700790008-9