CHAPTER 9 SUMMARY OF U.S. MARINE CORPS PARTICIPATION IN CAST TASK GROUP 7.1 (SCIENTIFIC) One Marine noncommissioned officer from the Second Battali bn, 6th Marines, Camp LeJeune, North Carolina, was badged with TG 7.1 bu t his activity has not been identified. He was probably with TU 7 had worked in this area during the 1952 IVY series. (Radsa fe), as he Exposures are shown in Table 8&8. TASK GROUP 7.3 (NAVY) Most Marine Corps participation was in TG 7.3. HMR-362. This helicopter transport squadron, initially equippld with twelve HRS-2 helicopters, provided ship-to-shore and other airlift services at Bikini. This squadron was based on the USS Bagroko after BRAVO, having been shore-based at Eneu before shot operatidgns began. Operational statistics are summarized in Table 89. USS Curtiss. A 63-man Marine contingent was part of the ship' Exposures are presented in Table 88. The Curtiss served a company. the weapon element of the task group, and providing guards was undoubitfedly an important Marine Corps function. 397