Qperation Plan CiG 7.3 No. 1-53 in sector DA. (a) Conduct a continuous one (1) shin surface and ASW patrol (b) Conduct one (1) stip intermittent underway surface and aS! (c) Conduct one (1) shin intermittent underway surface and ASW (d) Assig tasks (b) ani (c) above to a single ship, when patrol in sector DD, or an at-anchor surface radar and sonar surveillance of the lagoon entrancesin this sector, as practicable, , patrol in sector DE, or an ateanchor surface radar ani sonar surveillance of the lagoon entrance in this sector, as practicable. necessarr. (2) Phase Y ~ perio? prior to shot No. 7. in sector 0D. (a) Conduct a continuous one (1) ship surface and ASW patrol (b) Conduct a cne (1) or two (2) ship intermittent underway surface ant 45] patrol in sector DE or an ateanchor surface radar and sonar surveillance of the lagoon entrance in this sector, with occasional underway sweeps irto sector Da, as practicable. c. FPutrols and surveillances to be contuctei during SNIVETOR phase only (Peric? por to shot No. 4). (1) Contuct a continuous one (1) shin underway surface ani ASW patrol (2) Conctuct a one (1) or two (2) ship intermittent surface and 4S¥ in sector KX, underway patrol or an at~anchor or underway radar and sonar surveillance cf the lagoon entrances at BIKINI Atoll, ss practicable. x. (1) Unterway patrols norrally should be conducted within six (6) (2) Patrolling ships shoul1 avoii patrolling in fix-4 patterns. (3) All ships, ircluting the upkeep ship, at the shot atoll normally miles of the reef, with occasional sweeps out to greater distances, will get underway about twenty-four (24) hours prior to each shot. fFatrols will then bs intensificd at the shot atoll until about six (6) hours before shet time, when all ships will be withdrawn to safe distances, i Wenn Som