| U.S. Navy Small Combatants |
| Sub Chasers/Coastal Patrol Vessels (SC) built during WWI |
Apr 2015 |
| Sub Chasers/Coastal Patrol Vessels (SC, PC, PCE, PCER, PCS) built during WWII |
Mar 2020 |
| Sub Chasers/Coastal Patrol Vessels (PCE, PCH, PCEH, PHM, PC) built since WWII |
Dec 2020 |
| Eagle Boats (PE) built during WWI |
Apr 2015 |
| Patrol Frigates (PF) built during and after WWII |
Apr 2015 |
| Gunboats (PG) built before WWII |
May 2015 |
| Gunboats (PG, PGM) built during WWII |
Apr 2015 |
| Gunboats (PG, PGM, PFMM, PGG, PCG) built after WWII |
Apr 2015 |
| Torpedo Boats (PT, PTF) built during and after WWII |
Apr 2015 |
| Small Torpedo Boats (PTC, RPC) built during WWII |
Apr 2015 |
| Patrol Yachts (PY, PYc) acquired or chartered during WWI and WWII |
Apr 2015 |
| U.S. Navy Mine-Warfare Vessels |
| Ocean Minesweepers (AM) built before or during WWII |
Apr 2018 |
| Coastal Minesweepers (AMc) built during WWII |
Apr 2018 |
| Base Minesweepers (AMb) acquired during WWII |
May 2016 |
| Yard Minesweepers (YMS) built during WWII |
Apr 2015 |
| Mine-Warfare Vessels (AM/MSO, AMS/MSC, MSI, AMCU/MHC, MCM) built since WWII |
Jul 2018 |
| Minesweeping Boats (MSB, MSL) built since WWII |
Jul 2018 |
| U.S. Navy Landing Ships and Craft |
| Landing Ships, Tank (LST 1 through LST 400) |
Nov 2017 |
| Landing Ships, Tank (LST 401 through LST 796) |
Nov 2017 |
| Landing Ships, Tank (LST 797 through LST 1155) |
Nov 2017 |
| Landing Ships, Tank (LST 1156 through LST 1198) built since WWII |
Nov 2017 |
| Landing Ships, Medium (LSM) - formerly LCT(7)s |
Jan 2018 |
| Landing Craft, Tank (LCT(6)) - also called Tank Lighters |
Nov 2017 |
| Landing Craft, Tank (LCT(5)) - also called Tank Lighters |
Nov 2017 |
| Landing Craft, Infantry, Large (LCIL) |
Feb 2017 |
| Landing Craft, Support, Large (LCSL) |
Apr 2017 |
| Landing Craft, Other (LCM, LCC, LCP, LCV, LCVP) |
Feb 2017 |
| Landing Craft, Other (LCM, LCVP, LCPL) built since WWII |
Feb 2017 |
| Landing Craft, Utility (LCU) built since WWII |
Aug 2020 |
| Landing Craft, Air Cushion (LCAC) built since WWII |
Jun 2020 |
| U.S. Navy Small Auxiliaries |
| Floating Docks (AFDB, AFDM, AFDL, ARD, ARDM, YFD) |
Jun 2019 |
| Oceanographic Research Ships (AGOR) |
Oct 2016 |
| Ocean Surveillance Ships (AGOS) |
Aug 2020 |
| Hydrographic Survey Ships (AGS) |
Aug 2020 |
| Coastal Transports (APc) |
Apr 2015 |
| Barracks Ships and Barges (APB, APL) |
Aug 2020 |
| Rescue and Salvage Ships (ARS, ARSD, ARST, ASR, ATS) |
Aug 2020 |
| Ocean Tugs (AT, ATA, ATF, ATO, ATR) |
Apr 2015 |
| U.S. Navy Yard Craft |
| Ferry Boats and Launches (YFB) |
Aug 2015 |
| Utility Boats (YFU) |
Apr 2011 |
| Salvage Craft (YLC, YHLC, YMLC, YLLC, YRST, YSD, YSP) |
Apr 2011 |
| Minesweepers (YMS) |
Apr 2015 |
| Net Layers and Tenders (YN, YNT, YNG) |
Jan 2012 |
| Patrol and Training Craft (YP) |
Sep 2018 |
| Tugs (YT, YTB, YTM, YTL) built before WWII |
May 2011 |
| Tugs (YT, YTB, YTM, YTL) built during WWII |
May 2011 |
| Tugs (YT, YTB, YTM, YTL) built since WWII |
Aug 2020 |
| Other Special-Purpose Craft (YCV, YDG, YDT, YE, YFT, YH, YHB, YTT, YV) |
Jan 2012 |
| Harbor Defense Marine Launches (HDML) |
Jan 2017 |
| Open Cargo Lighters (YC) built before WWII |
Jan 2012 |
| Open Cargo Lighters (YC) built during WWII |
May 2011 |
| Open Cargo Lighters (YC) built since WWII |
May 2011 |
| Closed Cargo Lighters (YF, YFN, YFR, YFRN, YFRT) built before WWII |
Jan 2012 |
| Closed Cargo Lighters (YF, YFN, YFR, YFRN, YFRT) built during WWII |
May 2011 |
| Closed Cargo Lighters (YF, YFN, YFR, YFRN, YFRT) built since WWII |
May 2011 |
| Specialized Cargo Lighters (YCD, YCF, YCK, YFNB, YFNX, YPK) |
May 2011 |
| Oil Tankers and Barges (YO, YON, YOS) - including some that are self-propelled |
Jan 2012 |
| Gasoline Tankers and Barges (YOG, YOGN) - including some that are self-propelled |
Apr 2011 |
| Water Tankers and Barges (YW, YWN) - including some that are self-propelled |
Jan 2012 |
| Utility Barges and Scows (YA, YG, YMD, YSR) |
Jan 2012 |
| Repair Barges (YR, YRB, YRBM, YRDH, YRDM, YRR) |
Jan 2012 |
| Derrick Barges (YD) |
Dec 2018 |
| Other Working Barges (YFP, YHT, YM, YMN, YPD, YS) |
May 2011 |
| Miscellaneous (YAG) |
Jan 2012 |
| U.S. Coast Guard |
| Gunboats and Cruising Cutters (WPG) built before 1915 |
Feb 2016 |
| Gunboats and Cruising Cutters (WPG, WPF, WDE) built 1915 through WWII |
Feb 2016 |
| Gunboats and Cruising Cutters (WHEC, WMEC, WMSL [NRC], WMSM [OPC]) built since WWII |
Aug 2020 |
| Patrol Craft (Six-Bitters, WPC, WSC) built before WWII |
Jan 2016 |
| Patrol Craft (WPC, WYP) built during WWII |
Jan 2016 |
| Patrol Craft (WPB, WSES, WPC [FRC]) built since WWII |
Aug 2020 |
| Tenders (WAGL) built before 1915 |
Apr 2019 |
| Tenders (WAGB, WAGL, WLB, WLM, WLR, WLI, WLIC, WIX) built 1915 through WWII |
Apr 2019 |
| Tenders (WAGB, WLB, WLM, WLR, WLI) built since WWII |
Apr 2019 |
| Tugs (WAT, WYT, WYTL, WTGB) |
Feb 2016 |
| Light Vessels (LV, WAL) |
Feb 2016 |
| Air-Sea-Rescue Boats (WAVR) |
Aug 2020 |
| Anchorage and Boarding Boats (AB) |
Dec 2012 |
| Response Boats, Medium (RB(M)) |
Aug 2020 |
| Small Craft |
Aug 2020 |
| U.S. Army |
| Coastal Freighters (F, FS) |
Dec 2020 |
| Ocean Tugs (LT, ST) built during WWII |
Mar 2014 |
| Ocean Tugs (LT, ST) built since WWII |
Aug 2012 |
| Mine Craft (MP, JMP) built before WWII |
Apr 2017 |
| Mine Craft (MP, L, M) built during WWII |
Dec 2016 |
| Marine Tractors (MT, MTL) |
Dec 2016 |
| Rescue Boats (P) |
Mar 2017 |
| Quick-Supply Boats (QS) |
Jul 2011 |
| Small Transports (T) built during WWII |
Aug 2018 |
| Small Transports (T) built since WWII |
Nov 2012 |
| Coastal Tankers (Y) |
Jan 2011 |
| Small Craft |
Jul 2011 |
| Barges |
Oct 2012 |
| Derrick Barges (BD) built during WWII |
Dec 2016 |
| Derrick Barges (BD) built since WWII. |
Oct 2012 |
| Defense Plant Corporation (DPC) Vessels |
Jun 2013 |
| Corps of Engineers - Dredges |
Dec 2016 |
| Corps of Engineers - Towboats |
Dec 2016 |
| Other Ships and Craft (LSV, HSV, TSV, FB) built since WWII |
Dec 2016 |
| NOAA and Other Research and Survey Ships |
| NOAA Research and Survey Ships |
Jan 2021 |
| Pre-NOAA Research and Survey Ships (C&GS) |
Sep 2015 |
| Pre-NOAA Research and Survey Ships (F&WS) |
Sep 2015 |
| Other Gov't. Research Ships (NSF, EPA, USGS, UNOLS, etc.) |
Sep 2015 |
