18. Prepare shot-time aircraft positioning plans and coordinate the integration of TG 7.3 aircraft with CTG 7.3. 19. During shot periods, assume overall positioning co trol of task force aircraft, other than security forces, operating in shot areas. Relay instructio to TG 7.3 test aircraft through CTG 7.3 on the Bai roko. In the event of interception of unidentifie aircraft in the shot area, relinquish control in t —_ Ss e area to CTG 7.3 for the duration of the defensive effort. 20. Augment CTG 7.2 personnel as necessary to support TG 7.4 at Enewetak Island. 21. Provide decontamination crews and facilities for TG 7.4 aircraft at Enewetak Atoll and assist TG 7. in aircraft decontamination as required. 22. Assist TG 7.2 in emergency evacuation of personnel based on Enewetak Island. 23. Support TG 7.1 as directed by CUTF 7. To implement these functions, the task group was organizedj into three units, the Test Aircraft Unit Test Support Unit (TAU), the Test Services Unit (T 5U), and the (TSuU). The function of the TAU was to operate and maintain the ai in support of the TG 7.1 scientific program. rcraft used The TSU's functi bn was to operate and maintain the aircraft used in support of the test bperations, e.g., weather reconnaissance, documentary photography, and se cue. The TSU also supplied airways communications services a ch and res~operated the major air facility of the PPG at Enewetak and the airstri at Bikini. The TSuU's function was to operate and maintain the aircraft ed in the Enewetak-Bikini airlift, weather island resupply, and the intr A-atoll airlift on Enewetak. Personnel strength for TG 7.4 is shown in T able 7. Figure 15 (see Chapter 2, p. 86) illustrates the relationship Among the several units. Task Group 7.5 (Base Facilities) TG 7.5 built the scientific stations required by TG 7.1 an 4 the camps and other support facilities required by the task force, exce 71 for some