er -9- to’ the responsibilities of TJ-4. A very detailed plan of events to precede the EnavO detonation was drafted 11 February and cospleted on 20 rebruary as an annex to the basic Operation Plan. It contained a chronological evacuation‘ist, helicopter, - boat, heavy equipment, trailer, and vehicle movenents.(16) A BRAVO re-entry and - recovery plan(17) in greatest detail possible at the time, was drastically revised in. the light of subsequent events, when it was found that re-entry was practical only for recovery missions, and at about B plus 11 to resume use of the ininnan airstrip. A BRAVO check list, furnishing general guidance, listed 23 items scheduled between C900 on B-4, thrga appeared’29)na 0600 on B plus 5 at Eninetok atora\?8) A general plan for TU-6 ng one section describing the entire test program, and a second sectdon pertaining in greater detail to individual events, Finel details were to be estermined liter, This was supplenented after BRAVO by a new schedule!) sor rensin- _ ing events, which was later discarded because of weather factors. Another paper described key operational events for the first half of #February(=) in final preparation . Consideration of »RAVO results and effects brought about the decision24) (23) te schedule the remaining events, i:OLED, KOON, UNION, NECTAR, YANKES and ECHO, in that order, (16) (17) - JF-3105, BRAVO Evacuation, Appendix 1 to Annex N, CTG 7.1 Operation Flan No. 1-53, 2 Feb 54, OONP, including JF-3108 (changes to same) 25 Feb 54, CONF. JF=3106 BRAVO Re-entry and Recovery, AppII to Annex N, CTG 7.1 Uperation: Plan No. 1-53, 22 Feb Shy CONF, including JF=3110 (changes to same) 25 Feb 54, CONF. (18) JF-4217,' BRAVO Check list, inivetok Atoll, 22 Feb 5h, CONF. (19) JF=-3711, TU-6 CASTLE Operationa risa, 9 Feb 54, SECKET RD (20) JF733, Changes in TU-6 Operation Plan, 6 Mar 54, SECRET RD (21) JF-3390, key Operatioral ivents, Feriod 1 reb-15 Feb 54, dtd 2 Feb 54, SECKET kD (22) JF-,677, Change No. 3 to Operation Flan No. 1-53, 4 Lar 54. SECRET RD (23) TAX SCILNCE 3084, to Lradbury fron Graves, March 2520558, SECRET RD