YF 451 Keyport Washington

YF 451 was a United States Navy covered lighter (YF) assigned to the Naval Base at Keyport, Washington. Built during World War II, YF 451 was part of a class of non-self-propelled barges designed to transport and store munitions, equipment, and supplies within naval installations. Stationed at Keyport, a center for naval torpedo research and testing, YF 451 played a crucial logistical support role by facilitating the movement of ordnance and material between ships and shore facilities. Throughout its service, the unit contributed to the efficient operation of the base, supporting both training and research missions critical to the Navy's success in the Pacific Northwest.