(OPDS) ship Icebreakers (AGB) USS Burton Island (AGB-1), ex-AG-88, later WAGB-283 USS Edisto (AGB-2), ex-AG-89, later WAGB-284 USS Atka (AGB-3), ex-AG-90, later WAGB-280 USS Glacier (AGB-4), later WAGB-4 USS Staten Island (AGB-5), later WAGB-278 Amphibious Force Command Ships (AGC) Deep Submergence Support Ship (T-AGDS) USNS White Sands (T-AGDS-1), ex-ARD-20 USNS Point Loma (T-AGDS-2), ex-AKD-1 Hydrofoil Research Ship (AGEH) USS Plainview (AGEH-1) Environmental Research Ships (AGER) Signals intelligence collection vessels. Banner-class USS Banner (AGER-1), ex-AKL-25 USS Pueblo (AGER-2) [I], ex-AKL-44, captured by North Korea 23 January 1968, 1 killed, still in commission USS Palm Beach (AGER-3), ex-AKL-45 Command Ships (AGF) USS Valcour (AGF-1), ex-AVP-55 USS La Salle (AGF-3), ex-LPD-3 USS Coronado (AGF-11), ex-LPD-11 Missile Range Instrumentation Ships (T-AGM) USNS Range Tracker (T-AGM-1) USNS Range Recoverer (T-AGM-2) USNS Longview (T-AGM-3) USNS Richfield (T-AGM-4) USNS Sunnyvale (T-AGM-5) USNS Watertown (T-AGM-6) USNS Huntsville (T-AGM-7) USNS Wheeling (T-AGM-8) USNS General H. H. Arnold (T-AGM-9), ex-AP-139 USNS General Hoyt S. Vandenberg (T-AGM-10), ex-AP-145 USNS Twin Falls (T-AGM-11), later T-AGS-37 USNS American Mariner (T-AGM-12) USNS Sword Knot (T-AGM-13) USNS Rose Knot (T-AGM-14) USNS Coastal Sentry (T-AGM-15) USNS Coastal Crusader (T-AGM-16), ex-AK-220, later AGS-36 USNS Timber Hitch (T-AGM-17) USNS Sampan Hitch (T-AGM-18) USNS Vanguard (T-AGM-19) USNS Redstone (T-AGM-20) USNS Mercury (T-AGM-21) USNS Range Sentinel (T-AGM-22) USNS Observation Island (T-AGM-23) USNS Invincible (T-AGM-24) [I] USNS Howard O. Lorenzen (T-AGM-25) [A] Major Communications Relay Ships (AGMR) USS Annapolis (AGMR-1), ex-CVE-107 USS Arlington (AGMR-2), ex-CVL-48, ex-CC-3 Oceanographic Research Ships (T-AGOR) USNS Josiah Willard Gibbs (T-AGOR-1), former AVP-51 T-AGOR-2 built for Norway Robert D. Conrad-class USNS Robert D. Conrad (T-AGOR-3) USNS James M. Gilliss (T-AGOR-4) USNS Charles H. Davis (T-AGOR-5) USNS Sands (T-AGOR-6) USNS Lynch (T-AGOR-7) USNS Thomas G. Thompson (T-AGOR-9) USNS Thomas Washington (T-AGOR-10) USNS De Steiguer (T-AGOR-12) USNS Bartlett (T-AGOR-13) Eltanin-class USNS Eltanin (T-AGOR-8), ex-T-AK-270 USNS Mizar (T-AGOR-11), ex-T-AK-272 Melville-class USNS Melville (T-AGOR-14) USNS Knorr (T-AGOR-15) Hayes-class USNS Hayes (T-AGOR-16), later T-AG-195 Diver-class USNS Chain (T-AGOR-17), former ARS-20 USNS Snatch (T-AGOR-18), former ARS-27 Gyre-class USNS Gyre (T-AGOR-21) USNS Moana Wave (T-AGOR-22) Thomas G. Thompson-class USNS Thomas G. Thompson (T-AGOR-23) [A] USNS Roger Revelle (T-AGOR-24) [A] USNS Atlantis (T-AGOR-25) [A] Kilo Moana-class USNS Kilo Moana (T-AGOR-26) [A] Neil Armstrong-class [A] [A] Ocean Surveillance Ships (T-AGOS) Stalwart-class USNS Stalwart (T-AGOS-1) USNS Contender (T-AGOS-2) USNS Vindicator (T-AGOS-3) USNS Triumph (T-AGOS-4) USNS Assurance (T-AGOS-5) USNS Persistent (T-AGOS-6) USNS Indomitable (T-AGOS-7) USNS Prevail (T-AGOS-8) USNS Assertive (T-AGOS-9) USNS Invincible (T-AGOS-10) USNS Audacious (T-AGOS-11) USNS Bold