ae Task Foree SEVEN's request for Si-16 support in the forward orca. Air Rescue Service directed the 76th Air iicscue Squadron to furnish three (3) Si-16 aircraft and crews to be w.der the operational control of Joint Task Foree SEVEN for the duration of the CASTLE operation, A TWX was forwarded from Task Group 7.4 to the Cormandcr, P.CDIVMATS, information copy to ARS in Washington, D.C., tcllins tho: that the aircraft would bo assigned under the operationel control of the 4930th Test Support Group and it was required that waintenance personnel be furnished with the aircraft and that spare varts be nrovided,® With the additional SA-16 crews to be stationed at Eniwetok it was necessary to provide billeting space for them. On the cishth of Maroh™ a letter was forwarded to Task Group 7.5 requesting construction of .gig ~ (6) adlitional personnel tents in the Air Foree arca for these crews. The first dclay of the CLSTLE scrics bean on the seventh of harch when it was epperent that the upper winds wero unsuitable for shooting the sCMEO shot. Fall-out, as experienced on EU.V0O, was felt to be too severe to permit shooting when upper winls would indicate possible contamination of amy civilized arcas, To preclude visitation of Project Participants when no shot was actually lisinent, a TWX was forwarded on the seventh of hiarch to SaC and iFSWC informins them of the shot Aclays.?° ilso, on the thirteonth of March, further information concorming the delays was forwerdca. + During this period of relative inactivity, or shot delcy, nectinss were being held on the roll-up plan, final report, cte. The initial mecting on the roll-up plan was held on the ninth of Merch and the airlift rocuirouents for 8. TWX to PACDIVMATS, TGDC 3-42. 9. 10. li. Ltr fr TG 7.4 to 147.5, subj: "Construction of Atditional Tent Fra.cs", dtd 8 Mar 54, TG 4698, 167-4 Hse: 167.4 Msg: TGG 3-73, TGG 3-164.