perimental programs end to design and construct all facilitics with the exception of construction of facilities on ENIWETOK ISLAND. The nucleus of TG 3,1 was the "J" Division of Los Alamos Laboratory, headed by Dr. Graves, and formed after Operation SANDSTONE in 1948 to provide continulty in weapon test activitics, Design and con struction functions were performed by the firm of Holmes and Narver, who, at peak strength, numbered 1,800 personnel at ENIWETOK ATOLL, Other elements of TG 3.1 were drawn under contractual arrangements, or by assignnont by CJTF-3 from the three Ser‘vices, Service laboratories, universitics and industry. Approximately 170 officers and 200 enlisted men were assigned to TG 3,1 to assist in administration or conduct of experiments as well as to reecive special training. TG 3.1 was organized along military Lines and ab peak strength overseas numbered 2,401 personnel, zation of TG 3.1 is shown in Appendix "K", ‘The organi- TG 3,1 operated 50 misecllancous boats and craft. 17. Task Group 3,2 (TG 3.2) was successively commanded by Brigadicr General Frederick A, Butler, Brigadinr General Don G, Shinglcor and Brigadier General Arthur R. Walk, TG 3.2 was activated on 12 January 1950 and deployed to ENIWETOK on 16 March 1950. The first siisuion of TG 3,2 was to construct facilitics on ENIWETOK ISLAND, the design and materials for which were furnished by TG 3.1 through its cone tractor, Holmes and Narver, TG 3,2 consisted primerily of the headquarters of the 7th Engineor Brigade and the 79th Construction Battalion, with supporting services, until construction was completcd. FAR EAST. (See JCS 1998/30). These two numbered units were deployed to the The peak overscas strength of TG 3.2 during the con- struction phase was 1,434 personnel, The second mission of TG 3.2 was to operate base facilities including those required for Task Group 3.4 on SNIWETOK ISLAND, JTF-3 off atoll communications less Airways and Air Communications Service (AACS), and to provide land security throughout the atoll. wore assigned to accomplish this latter function. A force of 227 military police The peak overseas strength of T 3.2 during the operational phase was 1,398 porsonnel, The organization of TG 3,2 for the conduct of its seco) mission is shown in Appendix "L", 1&, Task Group 3.3 (TG 3.3), commanded by Hear Admiral Richard H. Cruzen, was activated on 15 duly 1950. This task group consisbed of three mi jor ships; USS CURTISS (AV), USNS SERGHANT CHARLES &. MOWER (TAP-LE6) ond USS CABILDO (LSD-16) ; two destroyers, USS SPROSTON and USS WALKER; VP 931 consisting of five P2V2 and four P2V3W aircraft, plus one PPM; USS LST 859; and the boat pool which consisted of sinty four miscellancous boats and craft, The units which formed TG 3,3 were all assembled a ATOMIC CXERSY ACT — 1948 aOR