Table 7. Task Group 7.4 personnel strength at Pacific Proving Ground, 1954. Jan Feb Mar Apr May Organization Headquarters 99 103 101 99 94 Test Aircraft Unit (TAU) 306 343 299 341 310 Test Services Unit (TSU) 737 738 747 700 392 Test Support Unit (TSul) 581 601 610 601 568 1,723 1,785 1,757 1,741 1,364 1,514 1,571 1,599 1,627 1,206 Bikini 62 63 0 7 6 Weather I 87 88 63 59 60 Kwajalein 34 31 56 20 11 Hawaii-CONUS 26 32 39 28 81 Total Location Enewet ak Source: Reference 15, January-May 1954 Installment. « construction activities by TG 7.2 on Enewetak Island. Since the PPG was administered by the AEC, TG 7.5 was an AEC organization. TG 7.5 provided and maintained the base facilities, a function that had been part of TG 132.1 in IVY. Consistent with the AEC policy of using contractors as much aS possible, TG 7.5 was made up primarily of H&N employees. The functions assigned to TG 7.5 were listed in the JTF 7 Operation Plan 3-53 (Reference 9) as follows: 1. Support CTG 7.1 in the accomplishment of TG 7.1 missions. 2. Operate, manage, and direct camp facilities at Bikini and on all occupied islands of Enewetak Atoll, except Enewetak Island. 3. Conduct necessary liaison with CTG 7.2 to enable him to prevent unauthorized entry into exclusion areas. 4. Operate and maintain local communications systems at Bikini and at Enewetak atolls, except Enewetak Island. 72