Puget Sound Naval Shipyard and Intermediate Maintenance Facility (PSNS & IMF) established a Yokosuka detachment in 2006 to maintain the forward deployed nuclear powered aircraft carrier (CVN) that arrived in Yokosuka in 2008. PSNS & IMF Det Yokosuka specializes in supporting CVN maintenance and has a U.S. civil service (USCS) workforce of 70 to 75 personnel. In addition to CVN maintenance, the detachment is responsible for maintaining the three maintenance barges as well as CVN repair material management.
PSNS Det Yokosuka has USCS positions in following areas: RADCON (radiation control), nuclear and non-nuclear engineering, material management, production and executive support. CVN depot-level repair and maintenance is accomplished by a temporary duty (TDY) workforce provided primarily by PSNS & IMF and augmented by Norfolk Naval Shipyard.