EXTRACT FROM ARCHIVES FILES OF COMIREX OBTAINED THRU NPIC

",104-10107-10183) 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 ‘ / SC-0216453 EL Enc he chine rd CR % 08 70 2 C Sy D Summary of Initial Missions in the period from 20 June to 10 July 1956 the Soviet Bloc air defense system was subjected "to eight penetrations of an unprecedented nature, seven occu ing within a period of only eight days. It must be remembered that (CCCN, provides the only basis of judging the performance of the Soviet system. This is important because it is clear from REGAL material that considerable air defense business is conducted over landlines and thus not observed by COMINT. However, some tentative conclusions may be drawn, from these initial flights and these are indicated as follows: 1. In spite of the fact that these missions came as a surprise, none of them went undetected. This is clear evidence that their radar coverage extends above(72,000 feet. - 23 - TOP SECRET — EIDER - CHESS"