I Sanitized Copy Approved for Release 2011 10 05 CIA-RDP89B00709ROOOSOOg -··- '· _ 70013 4 SC-o4130 56 Copy No of 7 18 June 1956 MEK RANOOM FOR ATTENTION SUBJECT Project Director Chief of Operations ELim' Operations Report for Mission A-2023 dated 10 July 1956 1 I am att acb1 ng for your information an ELIN' ' operational report for your mission A-2023 2 I have asked Chief ot the ELINr Branch of o sI to supplement the vrit' t_ 7 e_n _po - - -on -' ot this report with an oral briefing 25X1 25X1 BERBER r SCOVILLE rJv Ill Assistant Director Scientific Intelligence Distribution Copies 1 2 and 3 - Ops 4 and 5 - o sI 6 - ESO 7 - ProJect Chrono Held in o sI -·- · - · I Sanitized Copy Approved for Release 2011 10 05 CIA-RDP89800709R000500970013-4 sc-041 30 56 Copy of_ 7____ Notes on Significant Activity on Flight A-2023 I English plain language voice was intercepted on Channel 3 beginning at 1048Z when aircraft wae approximate 5046 N 1136 JI about 50 nautical miles before exit of denied territory in SZG Intermit t voice transmissions were received until let dow Altho intelligibility was poor using system one S-Baa crystal video detectori--1 UHF receiver portions of speech were read as Zebra-four this is one six three-over 11 • • • garbled •• vill you please in onn the several initials that I am 746 garble and more could be read out with additional effort This is being reported here because it may have significance since BOXBRICK units in SZG are thought to be using tactical CGiINT to aid in GCI and El-I networks This practice has also been observed from COHINT in Europe and the FAR EAST The DMR for this flight noted that a possible interceptor attempt made what was believed to be the deepest penetration of an unfriendly aircra ft into West Germany as noted in Air Waming traffic Note possible interceptors course and time in relation to the tracl of our aircra ft The nearest BOXBRICK is located at JmA RODIGAU 10 miles from our aircrafts position at time of first noted voice transmission II WHIFF gur layi ng radar signals were intercepted on seven occas 'ions Two of these over the Crimea Peninsula may have been from the same Soviet installation at Yevpatoriya The longest automatic WHIFF lock-on for any tl ight to date occurred in the vicinity of LVOV Regional Hdq for LVOV Air Defense Area Lock-on was steady tor l¼ minutes briefly tell out of center of conical scanning beam and returned to auto-lock for additional l 3 4 minutes This continuity and the act that aircraft slant range to a point on the ground did not exceed 38 000 y ards during the total 3 minutes lock-on indicates only one WHIFF was involved III The first identified radars were intercepted after 2 minutes 15 miles penetration into the Soviet Zone of Germany Token activity was almost continuous over the entire night The only major areas where no activity was noted were over the Black Sea and in the area aro'lllld Chemovitsey U S S R 48-17 N 25-55 E trom the right south side of the plane No new unusual or identified shipboard type signals were encountered over the Black Sea area Only one unidentified signal was encountered over a sufficient time interval for an accurate measurement of scan period This signal occurred just prior to exit from the Soviet Zone of Germany at 1041 Z hours The antenna right at t his ti m e was pointed twward Leipzig This signal had a single illumination of 743 pps and a uniform scan of 3 8 seconds IV The COMINT reaction as reported in the DMR was the most continuous recovered to date inside the USSR