(T-AGOS-12) USNS Adventurous (T-AGOS-13) USNS Worthy (T-AGOS-14) USNS Titan (T-AGOS-15) USNS Capable (T-AGOS-16) USNS Tenacious (T-AGOS-17) USNS Relentless (T-AGOS-18) Victorious-class USNS Victorious (T-AGOS-19) [A] USNS Able (T-AGOS-20) [A] USNS Effective (T-AGOS-21) [A] USNS Loyal (T-AGOS-22) [A] Impeccable-class USNS Impeccable (T-AGOS-23) [A] Motor Torpedo Boat Tenders (AGP) USS Niagara (AGP-1), ex-CMc-2, PG-52, sunk by air attack Tulagi 23 May 1943, no fatalities USS Hilo (AGP-2), ex-PG-58 USS Jamestown (AGP-3), ex-PG-55 USS Portunus (AGP-4), ex-LST-330 USS Varuna (AGP-5), ex-LST-14 USS Oyster Bay (AGP-6), ex-AVP-28, later AVP-28 USS Mobjack (AGP-7), ex-AVP-27 USS Wachapreague (AGP-8), ex-AVP-56 USS Willoughby (AGP-9), ex-AVP-57 USS Orestes (AGP-10), ex-LST-135 USS Silenus (AGP-11), ex-LST-604 USS Acontius (AGP-12) USS Cyrene (AGP-13) USS Alecto (AGP-14). ex-LST-977 USS Callisto (AGP-15), ex-LST-966 USS Antigone (AGP-16), ex-LST-773 USS Brontes (AGP-17), ex-LST-1125 USS Chiron (AGP-18), ex-LST-1133 USS Pontus (AGP-20), ex-LST-201 USS Garrett County (AGP-786), ex-LST-786 USS Harnett County (AGP-821), ex-LST-821 USS Hunterdon County (AGP-838), ex-LST-838 USS Graham County (AGP-1176), ex-LST-1176 Radar Picket Ships (AGR) Guardian-class radar picket ship All Guardian-class ships were originally classed as YAGR but were then reclassed as AGR in 1958. USS Guardian (AGR-1) USS Lookout (AGR-2) USS Skywatcher (AGR-3) USS Searcher (AGR-4) USS Scanner (AGR-5) USS Locator (AGR-6) USS Picket (AGR-7) USS Interceptor (AGR-8) USS Investigator (AGR-9) USS Outpost (AGR-10) USS Protector (AGR-11) USS Vigil (AGR-12) USS Interdictor (AGR-13) USS Interpreter (AGR-14) USS Interrupter (AGR-15) USS Watchman (AGR-16) Surveying Ships (AGS) USS Pathfinder (AGS-1) USS Hydrographer (AGS-2) USS Oceanographer (AGS-3), ex-SP-159, ex-PG-85 USS Bowditch (AGS-4), ex-AG-30 USS Sumner (AGS-5), ex-AG-32 USS Derickson (AGS-6) USS Littlehales (AGS-7) USS Dutton (AGS-8), ex-PCS-1396, later AGSC-8 USS Amistead Rust (AGS-9) USS John Blish (AGS-10), ex-PCS-1457, later AGSC-10 USS Chauvenet (AGS-11) USS Harkness (AGS-12), ex-YMS-242, later AGSC-12 USS James M. Gilliss (AGS-13), ex-YMS-262, later AGSC-13 USS Simon Newcomb (AGS-14), ex-YMS-263, later AGSC-14 USS Tanner (AGS-15), ex-AKA-34 USS Maury (AGS-16), ex-AKA-36 USS Pursuit (AGS-17), ex-AM-108 USS Requisite (AGS-18), ex-AM-109 USS Sheldrake (AGS-19), ex-AM-62 USS Prevail (AGS-20), ex-AM-107 Bowditch-class USNS Bowditch (T-AGS-21) USNS Michelson (T-AGS-23) Other classes USNS Dutton (T-AGS-22) USS Seranno (AGS-24) USNS Kellar (T-AGS-25) Silas Bent-class USNS Silas Bent (T-AGS-26) USNS Kane (T-AGS-27) USNS Wilkes (T-AGS-33) USNS Wyman (T-AGS-34) Other classes USS Towhee (AGS-28), ex-MSF-388 USNS Chauvenet (T-AGS-29) USS San Pablo (AGS-30), ex-AVP-30 USNS S. P. Lee (T-AGS-31) USNS Harkness (T-AGS-32) USNS Sgt. George D. Keathley (T-AGS-35), ex-T-APC-117 USS Coastal Crusader (AGS-36), ex-AK-220, T-AGM-16 USNS Twin Falls (T-AGS-37), ex-T-AGM-11 USNS H. H. Hess (T-AGS-38) USNS Maury (T-AGS-39)