I-37 SRD-WY -SUGE SUBJECT: 1st Ind 1 April 1954 Radioactive Contamination of Ships and Radiological Sxposure of Personnel of Task Group 7.3 due to BRAVO, the First Nuclear Explosion of CASTIE Headquarters, Joint Task Force SEVEN, APO 187 (HO\J), c/o Postmaster, San Francisco, California THRU: TOs Ccemmander in Chief, U.S. Pacific Fleet, c/o Fleet Post Office San Francisco, California . Chief of Naval Operations, Navy Department, Washington 25, D. C. l. Basic letter, from CTG 7.3, serial 00666, dated 22 March 1954, is forwarded for your information in accordance with request contained in CINCPACFLT dispatch 2019122 of March 1954. 2. Similar reports will be made on subsequent shots of the CASTIE series as required, Copy furnished: GINGPAG (3) CTG 7.1 (1) CTG 7.2 (1 TG 7.3 (2 7.4 (1 CTG 7.5 (1) COMCRUDESPAC (3) COMSERVPAC (3) COMAIRPAC (3) COMPHIBPAG (3) BUSHIPS (3) CNO (OP 36) (Adv Copy) (1) BUMED (3) NRDL (1) USS BAIROKO (1) \ 7 C pO CIOS CLaRKSON priilador General, U.S. Aray Commander