This manual deals with information related to Submarine Escape and Rescue (SMER) and addresses the techniques and procedures for SUBSAR Operations@ on which further expansion of the doctrine may be based. It also provides specialized information needed by authorities engaged in saving lives at sea from a Distressed Submarine (DISSUB). The manual provides the instructions and procedures required by Headquearters and/or Commanders to issue orders to fulfil their responsibilities and enables subordinates to under stand and comply with the. It also gives details of specific duties associated with the Mobilization of SMER Resources@ and with the execution of accociates tasks. This manual is intended to serve as a guide to worldwide Operational Commands and Cpmmanders that may be assigned responsibility during SUBSAR Operations@ and in particular to the On Scene Commander (OSC) and to the Coordiantor of Resuce Forces (CRF). Purpose Thepurpose of the Submarine Search and REscue Manual (ATP-57) is to provide guidance@ instructions@ information and procedures governing the different phases of a SUBSAR Operations and the Command@ Control and manoeuvring of units during their mobilization to the scene of action@ throughout the Escape@ Intervention and Rescue stages.