Navy Tactics, Techniques, and Procedures

Summary. The information contained in NTTP 4-01.4, Underway Replenishment, is directed toward preparing both the replenishment and customer ship for a replenishment evolution. Detailed rig make-up, requisite equipment, and standardized procedures are established to serve as specific guidelines for all aspects of replenishment at sea. Each ship shall ensure wide dissemination to all personnel involved in the planning of, supervision of, and participation in underway replenishment evolutions.