I ' • nltized Copy A ved f r Release 201g'OJI f' - P 88OO724R0002OO250026-5 - IDEALIST IDEA-2727-65 Copy h lS August 1965 ·-· - --·· ···MEMORANDUM FOR THE RECORD REFERENCE 'DIAXX-l 2996-65 S1JBJECT 5X1 5X1 LONG ARM Drone Modifications J I 1 from OEL outlined on 12 · August 1965 hi appraisal of the moditication requi ements necessary to configure the LONG ARM drone in view of recent information He said that · eomeone from OSI had briefed JRC last Monday that it would take SO to 45 days to •odify the LONG ARM intercept package Accordini tol I who baa checked with HRB Singer the modification can be aaoomplished in two weeks and there may be a preliminary price ·estimate by 13 August 1965 2 The modification required w ll noed the S-Band scanning receiver from Syste• XVII This comes about beoause of the recent determination that the beacon and fusing frequencies are in 8-Band He did propose to remove the C-Band elements plus two telemetry transmitters so th t the drone would weigh lees and consequently g in a little altitude · 3 With the new modification the follo ring data would be provided a The fusing RF and time on 125 YEAR RE-REVIEvvj b • The beacon RF c The time of arming L-Band 4 The S-Band scanning receiver from System XVII is required because of the ext emely short time 200 milliseconds · that the arming signal is on before impact with the target 25X1 I 5 According tol much ot the information s derived from a teet manual on ' fhe SA-2 radar system which has not been translated accurately enough to remove all doubt oo oerning specific frequencies 6 If the present LONG ARM drone were to be flown we would prQbab1y get only the time of arming With the proposed modification he indicated that we probably would get some · IDEALIST · SECRET Sanitized Copy Approved for Release 2010 01 19 CIA-RDP68BOO724ROOO OO250O26-5 · • 1• J· ' Sanitized Copy Approved for Release 2010 01 19 CIA-RDP68B00724R00020025 02 5 4 '· _ • IDEALIST - IDBA-2727-65 Page 2 • X Band CW and pulse data as well I ' ' 7 I reminded Phil tha t we had proposed once before that the U 2 be configured to carry a telemetry receiver so that it could replace the B-47 if necessary for China overflight He agreed that the requirement for data on Chinese 11isl lile aites was in his opinion a valid one Since then DIA has recommended that the LONG ARM drone be fflOdified lt seeu 'logical that we should seek the good counsel of Intelligence Division and•C•FE OSA along with OIL to arrive at a re ommendation tor t e exact configuration ot the LONG ARM package and ·a recommendation for its employment to collect data over other 8ites in add tion to Hanoi X1 ____ Lt Colonel USAF 1 Chief Plans 'for Pield Aotivitlea' OBA X1 ·p1ans FA OS --- em 13 August 1965 • Distribution· I • ·#1 #2 #3 #4 - D FA OSA ID OSA C FE OSA Plans FA OBA II$ ·• lDEAVO$A #6 - RB OSA I '· ' I I • I I • I IDEALIST i SECRET i I· I I Sanitized Copy Approved for Release 2010 01 19 CIA-RDP68B00724R000200250026-5 · I •·