diagnostic measurements of interest to the AEC and to the DOD and is also responsible for conduct of the Weapons Effects Tests. The headquarters of 7.5 and 7.1 are located in New Mexico. ‘Both, as you can see by the dctted line, are under the Setentifice supervision of the Atomic Energy Commission, the composition of both being predominantly eivilian scientific and instruction personnel. Task Group 7.2 is the Army unit which operates military base support facilities on ENIWETOK Island and provides group security in the PPG. Task Group 7.3 is the Navy Task Group providing primarily the surface transportation required to conduct these tests, also a squadron of PeVv's to conduct security and safety patrols and a squadron oi Varine Helicopters to provide airlift at BIKINI. the Air Task Group. Task Group 7.4 is It provides the major portion of the airlift in the PPG and performs most of the air missions essential to our success. I will discuss these missions further in a few minutes. The mechanics of operation of JFT-7 is as follows: After preliminary planning by the AFC and the DOD, we receive our directive from the JCS to conduct an overseas test. Then on 15 March, the Chairman of the AEC designated Commander JTF-7 as the senior AEC representative in the proving ground for operational control of civilian forces in addition to the military units he (cJTF-7) commands, Pais date coincides with the beginning of the operational period and signaled the start of our test series. Actually it is also the same datethe fissile material leaves United States shores. During the preceding months of preparation and planning, the Armed Forces Special Weapons Project, USAF, has compiled the DOD Weapons Effects Test Programs as developed by the Services - the AEC has fabricated its devices and performed

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