Joint Task Force SEVEN Task Group 7.3 Operation Order CTG 7.3 No. 6-54 USS BAIROKO (CVE 115) BIKINI ATOLL, M.I. ANNEX B 21 February 1954, 2000M COMMUNICATIONS 1. General. This annex supplements ANNEX F of CTG 7.3 OpPlan No. 1-53 2. Effective Date. which is effective concurrent with this annex, except as modified herein. This annex is effective upon receipt for planning purposes and is fully effective at 221000M until completion of the "OFFICIAL R™HFARSAL." 3. Purpose. This annex provides detailed instructions for conducting communication tests concurrent with the "OFFICIAL RFH®ARSAL." These tests are designed to detect circuit interference, familiarize personnel with shot time communications and test effectiveness of personnel and equipment umer heavy traffic load conditions. 4. Participating Units. 5. General Instructions. All TG 7.3 ships in the Bikini Area will par- ticipate in the communication phase of the "OFFICIAL REHSARSAL." a, All ships establish a two section communications and electronics watch bill, if such is necessary to insure fully manning assigned circuits with qualified personnel and efficient servicing of equipment. b. Report serious circuit interference to CTG 7.3 as occuring. ce. Circuit set-up, including use of remotes should be the same as d. All assigned (normal; underway and Shot time) circuits are to be that planned for fhe Shots. fully manned and in operation commencing at 221000M or as soon thereafter as ships! locations permit . and will remain activated until completion of "OFFICIAL REHEASAL." Ships controlling circuit tests commence "checking out" circuits at 221000M, e. Ships controlling circuit tests report to CTG 7.3 at 221300M status of circuits which have not be-n completely "checked out." RG 374 Deengemneecenn eney Bet DAA Location WNRC Access Nosema/ & (740 Box Ni9 FolderSTF 7_CVGé- 7.3 — Operation Prag No. I-53 4b