This Unites States Army manual, Army Regulation AR 56-9 Surface Transportation: Army Intratheater Watercraft Systems October 2020, prescribes responsibilities for Department of the Army (DA) watercraft program planning, budgeting, and execution. It also assigns responsibilities for ocean, harbor, and inland waterway vessel operations; responsibilities and policies for determining the requirements, priorities, distribution, and operations of DA watercraft fielded under the total package fielding (TPF) process; responsibilities, policies, and procedures for qualifying Army personnel in military occupational specialties (MOSs) 88K, 88L, 880A, and 881A to skill level and vessel type. The basis for Soldier maritime qualification, training, and operational procedures is derived from the International Maritime Organization (IMO) conventions and the United States Code, as promulgated in the Code of Federal Regulations (CFR).