United States Army Vessel (USAV) Worthy at Naval Submarine Base San Diego. The vessel is the former USNS Worthy T-AGOS-14, A Stalwart class ocean surveillance ship, struck from the Naval Register in 1993 and transferred to the US Army for use as Kwajalein Mobile Range Safety System (KMRSS) Worthy, a missile range instrumentation ship at Kwajalein Atoll's Ronald Reagan Ballistic Missile Defense Test Site.