·-·- NRO APPROVED FOR REL SE 3F-015 ti a c ac DEPARTMENT OF THE AIR FORCE WASHINGTON November 5 1964 Ml MORANDlM FOR DEPUTY' D RECTO SCIENCE TECHNOLOGY CIA SUBJECT Studies of Synch ronous _Satellites - ' - - - - - - portant e extent to _which the or reveals the frequency range suggests t may be operating It is significant in this connection however that the Soviets can take defensive action without knowledge of the frequencies on which the satellite is listening 'Within the resources allotted co che purpose the Soviets can jam directively and selectively those frequencies considered by them to be mosc needful 0£ protecti011 This defense 1· the best frOlll their poinc of v1 ew that is possible within the knowledge they have of our purpose i t is effective £ran our point o f view by the excen to which we and they agree on the portance of various signals we cannot overlook the poss1bili y that gross knowledge if not knowledge in detail of the ' cba racteristics of the sa ellite m h-c be availa le to them · brough agents 't 1 ir u 1 ---- AUT0111TIC BErrRhDl'Jr ' • -lAN i F ' VIA BYEMAH IVIS'l eo t ONUt a1 __ DOD __ DIR __ 5200 10 ___ DOD __ BOT _1 _ Az•Vi • s ------- -- -- - -·-· - · · - · t rteliruary· NRO AF'Pl OVED FOR RELEASE 201s --i· ccor agre t t e g y Dr' ' u r Foree will undertake for ihe DoD studies of sync hronous satellites for these and other military purposes These studies will be conducted by the Directorate of Development Planning Headquarters USAF under ' Full infox na tion ·on the course of our 1 military studies will be available eo you and your people Colonel Carter on • the NRO staff will be your point of contact I truat that we can bave an exchange of information tbat will be fruitful 4 11 4_ National Reconnaissance Office 2 HANDLE VIA BYEMA 1 C O N T ONLY' ·