1917-1923 | 1924-1930 | 1931-1937 | 1938-1944 | 1945-1951 | 1951-1957 |
1958-1964 | 1965-1971 | 1972-1978 | 1979-1985 | 1986-1992 | 1993-present
| |||||||
| Date | 4/6/17 | 11/11/18 | 7/1/19 | 7/1/20 | 7/1/21 | 7/1/22 | 7/1/23 |
|---|---|---|---|---|---|---|---|
| Battleships | 37 | 39 | 36 | 26 | 22 | 19 | 18 |
| Monitors, Coastal | 7 | 7 | 5 | 1 | 2@ | - | - |
| Carriers, Fleet | - | - | - | - | - | - | - |
| Carriers, Escort | - | - | - | - | - | - | - |
| Cruisers | 33 | 31 | 28 | 27 | 10 | 12 | 13 |
| Destroyers | 66 | 110 | 161 | 189 | 68(208rc ) | 103 | 103 |
| Frigates | 17 | 17 | - | - | - | - | - |
| Submarines | 44 | 80 | 91 | 58 | 69(11rc) | 82(7rc) | 69(5rc) |
| SSBNs* | - | - | - | - | - | - | - |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | - | 53 | 62 | 48 | 50(8rc) | 36 | 38 |
| Patrol | 42 | 350 | 65 | 45 | 59(1rc) | 43 | 41 |
| Amphibious | - | - | - | - | - | - | - |
| Auxiliary | 96 | 87 | 304 | 173 | 104 | 83 | 82 |
| Surface Warships | 160 | 204 | 230 | 243 | 102 | 134 | 134 |
| Total Active | 342 | 774 | 752 | 567 | 384 (228rc) | 379 (7rc) | 365 (5rc) |
| Events | U.S. enters WWI 6 April 1917. Bolshevik Revolution begins 28 October (Old Style) 1917. WWI ends 11 November 1918. Washington Treaty in force 17 August 1923. | ||||||
| |||||||
| Date | 7/1/24 | 7/1/25 | 7/1/26 | 7/1/27 | 7/1/28 | 7/1/29 | 7/1/30 |
|---|---|---|---|---|---|---|---|
| Battleships | 18 | 18 | 15(3rc) | 15(3rc) | 16(2rc) | 16(2rc) | 16(2rc) |
| Carriers, Fleet | 1 | 1 | 1 | 1 | 3 | 3 | 3 |
| Carriers, Escort | - | - | - | - | - | - | - |
| Cruisers | 16 | 18 | 18 | 16 | 16 | 16 | 20 |
| Destroyers | 103 | 105 | 106 | 106 | 106 | 103 | 103 |
| Frigates | - | - | - | - | - | - | - |
| Submarines | 77(3rc) | 76(3rc) | 80 | 77 | 77 | 80 | 81 |
| SSBNs | - | - | - | - | - | - | - |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | 39 | 40 | 39 | 40 | 40 | 37 | 36 |
| Patrol | 37 | 37 | 37 | 32 | 33 | 32 | 29 |
| Amphibious | - | - | - | - | - | - | - |
| Auxiliary | 84 | 73 | 71 | 69 | 68 | 68 | 68 |
| Rigid Airships | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
| Total Active | 376 (3rc) | 370 (3rc) | 368 (3rc) | 357 (3rc) | 360 (2rc) | 356 (2rc) | 357 (3rc) |
| Surface Warships | 137 | 141 | 139 | 137 | 138 | 135 | 139 |
| Events | Battleship modernization program in effect 1926-1934. London Treaty in force 31 December 1930. | ||||||
| |||||||
| Date | 7/1/31 | 7/1/32 | 7/1/33 | 7/1/34 | 4/1/35* | 7/1/36 | 9/1/37* |
|---|---|---|---|---|---|---|---|
| Battleships | 12(3rc) | 11(4rc) | 11(4rc) | 14(1rc) | 15 | 15 | 15 |
| Carriers, Fleet | 3 | 3 | 3 | 4 | 4 | 4 | 3@ |
| Carriers, Escort | - | - | - | - | - | - | - |
| Cruisers | 20 | 19 | 20 | 24 | 25 | 26 | 27 |
| Destroyers | 87^ | 102 | 101 | 102^^ | 104 | 106 | 111 |
| Frigates | - | - | - | - | - | - | - |
| Submarines | 56 | 55 | 55 | 54 | 52 | 49 | 52 |
| SSBNs | - | - | - | - | - | - | - |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | 33 | 33 | 26 | 26 | 26 | 26 | 30 |
| Patrol | 27(1rc) | 24 | 26 | 24 | 23 | 23 | 22 |
| Amphibious | - | - | - | - | - | - | - |
| Auxiliary | 69 | 65 | 68 | 71 | 71 | 73 | 75 |
| Rigid Airships | 1 | 1 | 1 | 1 | - | - | - |
| Surface Warships | 119# | 132 | 132 | 140 | 144 | 147 | 153 |
| Total Active | 308 (4rc) | 313 (4rc) | 311 (4rc) | 320 (1rc) | 320 | 322 | 335 |
| Events | Japan enters Manchuria 18 September 1931. Hitler to power 30 January 1933. Failure of the International Economic Conference to stabilize world currencies in July 1933 leads to growing instability. Vinson-Trammell Act, 27 March 1934, authorizes--though it does not fund--Navy construction to Treaty strength. Japan renounces Washington Treaty 29 December 1934, effective 31 December 1936. Germany renounces disarmament clauses of the Treaty of Versailles 16 March 1935. Spanish Civil War begins 18 July 1936. Japan begins large-scale military operations in China 7 July 1937. | ||||||
| |||||||
| Date | 6/30/38 | 6/30/39 | 6/30/40 | 12/7/41 | 12/31/42 | 12/31/43 | 12/31/44 |
|---|---|---|---|---|---|---|---|
| Battleships | 15 | 15 | 15 | 17 | 19 | 21 | 23 |
| Carriers, Fleet | 5 | 5 | 6 | 7 | 4 | 19 | 25 |
| Carriers, Escort | - | - | - | 1 | 12 | 35 | 65 |
| Cruisers | 32 | 36 | 37 | 37 | 39 | 48 | 61 |
| Destroyers | 112 | 127 | 185 | 171 | 224 | 332 | 367 |
| Frigates | - | - | - | - | - | 234 | 376 |
| Submarines | 54 | 58 | 64 | 112 | 133 | 172 | 230 |
| SSBNs | - | - | - | - | - | - | - |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | 27 | 29 | 36 | 135 | 323 | 551 | 614 |
| Patrol | 34 | 20 | 19 | 100 | 515 | 1050 | 1183 |
| Amphibious | - | - | - | - | 121 | 673 | 2147 |
| Auxiliary | 101 | 104 | 116 | 210 | 392 | 564 | 993 |
| Surface Warships | 159 | 178 | 237 | 225 | 282 | 635 | 827 |
| Total Active | 380 | 394 | 478 | 790 | 1782 | 3699 | 6084 |
| Events | WWII begins in Europe when Germany and the USSR invade Poland September 1939. | ||||||
| |||||||
| Date | 8/14/45 * | 6/30/46 | 6/30/47 | 6/30/48 | 6/30/49 | 6/30/50 | 6/30/51 |
|---|---|---|---|---|---|---|---|
| Battleships | 23 | 10 | 4 | 2 | 1 | 1 | 3 |
| Carriers, Fleet | 28 | 15 | 14 | 13 | 11 | 11 | 17 |
| Carriers, Escort | 71 | 10 | 8 | 7 | 7 | 4 | 9 |
| Cruisers | 72 | 36 | 32 | 32 | 18 | 13 | 15 |
| Destroyers | 377 | 145 | 138 | 134 | 143 | 137 | 206 |
| Frigates | 361 | 35 | 24 | 12 | 12 | 10 | 38 |
| Submarines | 232 | 85 | 80 | 74 | 79 | 72 | 83 |
| SSBNs | - | - | - | - | - | - | - |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | 586 | 112 | 55 | 54 | 52 | 56 | 91 |
| Patrol | 1204 | 119 | 74 | 50 | 50 | 33 | 40 |
| Amphibious | 2547 | 275 | 107 | 86 | 60 | 79 | 208 |
| Auxiliary | 1267 | 406 | 306 | 273 | 257 | 218 | 269 |
| Surface Warships | 833 | 226 | 198 | 180 | 174 | 161 | 262 |
| Total Active | 6768 | 1248 | 842 | 737 | 690 | 634 | 980 |
| Events | WWII in Europe ends 8 May 1945. V-J Day 14 August 1945 (15 August in western Pacific). Pacific War formally ends 2 September 1945. U.S.-USSR relations deteriorate 1945-1950. Chinese Civil War won by communists 1949. Korean War begins 25 June 1950. | ||||||
| |||||||
| Date | 6/30/51 | 6/30/52 | 6/30/53 | 6/30/54 | 6/30/55 | 6/30/56 | 6/30/57 |
|---|---|---|---|---|---|---|---|
| Battleships | 3 | 4 | 4 | 4 | 3 | 3 | 2 |
| Carriers, Fleet | 17 | 19 | 19 | 20 | 21 | 22 | 22 |
| Carriers, Escort | 9 | 10 | 0 | 7 | 3 | 2 | - |
| Cruisers | 15 | 19 | 19 | 18 | 17 | 16 | 16 |
| Destroyers | 206 | 243 | 247 | 247 | 249 | 250 | 253 |
| Frigates | 38 | 56 | 56 | 57 | 64 | 70 | 84 |
| Submarines | 83 | 104 | 108 | 108 | 108 | 108 | 113 |
| SSG/SSBNs | 1 | 1 | 2 | 2 | 1 | 2 | 2 |
| Command Ships | - | - | - | - | - | 1 | 1 |
| Mine Warfare | 91 | 114 | 121 | 117 | 112 | 113 | 104 |
| Patrol | 40 | 29 | 23 | 22 | 15 | 11 | 12 |
| Amphibious | 208 | 189 | 226 | 223 | 175 | 139 | 134 |
| Auxiliary | 269 | 309 | 287 | 288 | 262 | 236 | 224 |
| Surface Warships | 262 | 322 | 326 | 326 | 333 | 339 | 355 |
| Total Active | 980 | 1097 | 1122 | 1113 | 1030 | 973 | 967 |
| Events | Korean War Armistice signed 1953. Taiwan Straits patrol begins 1955. | ||||||
| |||||||
| Date | 6/30/58 | 6/30/59 | 6/30/60 | 6/30/61 | 6/30/62 | 6/30/63 | 6/30/64 |
|---|---|---|---|---|---|---|---|
| Battleships | - | - | - | - | - | - | - |
| Carriers | 24 | 23 | 23 | 24 | 26 | 24 | 24 |
| Cruisers | 15 | 12 | 13 | 12 | 13 | 18 | 24 |
| Destroyers | 245 | 237 | 226 | 223 | 240 | 222 | 215 |
| Frigates | 71 | 61 | 41 | 41 | 68 | 40 | 40 |
| Submarines | 109 | 109 | 106 | 105 | 104 | 102 | 102 |
| SSG/SSBNs | 2 | 4 | 7 | 10 | 14 | 17 | 23 |
| Command Ships | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Mine Warfare | 77 | 82 | 81 | 83 | 84 | 84 | 84 |
| Patrol | 12 | 6 | 4 | 4 | 2 | - | - |
| Amphibious | 121 | 120 | 113 | 110 | 130 | 132 | 133 |
| Auxiliary | 213 | 205 | 197 | 206 | 218 | 216 | 212 |
| Surface Warships | 331 | 310 | 280 | 276 | 321 | 280 | 279 |
| Total Active | 890 | 860 | 812 | 819 | 900 | 857 | 859 |
| Events | Lebanon landings 1958. Cuban quarantine October-December 1962. Tonkin Gulf incident 1964. | ||||||
| |||||||
| Date | 6/30/65 | 6/30/66 | 6/30/67 | 6/30/68 | 6/30/69 | 6/30/70 | 6/30/71 |
|---|---|---|---|---|---|---|---|
| Battleships | - | - | - | 1 | 1 | - | - |
| Carriers | 25 | 23 | 23 | 23 | 22 | 19 | 19 |
| Cruisers | 27 | 29 | 35 | 35 | 34 | 31 | 30 |
| Destroyers | 221 | 217 | 216 | 219 | 201 | 155 | 152 |
| Frigates | 39 | 42 | 46 | 50 | 43 | 47 | 61 |
| Submarines | 104 | 104 | 105 | 105 | 100 | 103 | 100 |
| SSG/SSBNs | 30 | 37 | 41 | 41 | 41 | 41 | 41 |
| Command Ships | 2 | 2 | 2 | 2 | 2 | - | - |
| Mine Warfare | 84 | 84 | 83 | 84 | 74 | 64 | 59 |
| Patrol | - | - | 3 | 6 | 7 | 15 | 17 |
| Amphibious | 135 | 159 | 162 | 157 | 153 | 97 | 95 |
| Auxiliary | 213 | 212 | 216 | 210 | 207 | 171 | 177 |
| Surface Warships | 287 | 288 | 296 | 304* | 279 | 249 | 262 |
| Total Active | 880 | 909 | 931 | 932 | 885 | 743 | 752 |
| Events | Carrier strikes on North Vietnam and Market Time 0perations begin 1965. Sea Dragon amphibious operations 1966-1968. | ||||||
| |||||||
| Date | 6/30/72 | 6/30/73 | 6/30/74 | 6/30/75 | 6/30/76 | 6/30/77 | 9/30/78 ^ |
|---|---|---|---|---|---|---|---|
| Battleships | - | - | - | - | - | - | - |
| Carriers | 17 | 16 | 14 | 15 | 13 | 13 | 13 |
| Cruisers | 27 | 29 | 28 | 7 | 26 | 26 | 28 |
| Destroyers | 132 | 139 | 119 | 102 | 99 | 92 | 95 |
| Frigates | 66 | 71 | 64 | 64 | 64 | 64 | 65 |
| Submarines | 94 | 84 | 73 | 86 | 74 | 77 | 81 |
| SSBNs | 41 | 41 | 41 | 41 | 41 | 41 | 41 |
| Command Ships | - | - | - | - | - | - | - |
| Mine Warfare | 31 | 34 | 34 | 34 | 25 | 25 | 25 |
| Patrol | 16 | 14 | 14 | 14 | 13 | 6 | 3 |
| Amphibious | 77 | 65 | 65 | 64 | 65 | 65 | 67 |
| Auxiliary | 153 | 148 | 135 | 123 | 116 | 114 | 113 |
| Surface Warships | 225 | 239 | 211 | 193 | 189 | 182* | 188 |
| Total Active | 654 | 641 | 587 | 570 | 536 | 523 | 531 |
| Events | Last U.S. forces withdraw from South Vietnam following the ceasefire 1973. South Vietnam falls to North Vietnamese communists 1975. | ||||||
| |||||||
| Date | 9/30/79 | 9/30/80 | 9/30/81 | 9/30/82 | 9/30/83 | 9/30/84 | 9/30/85 |
|---|---|---|---|---|---|---|---|
| Battleships | - | - | - | - | 1 | 2 | 2 |
| Carriers | 13 | 13 | 12 | 13 | 13 | 13 | 13 |
| Cruisers | 28 | 26 | 27 | 27 | 28 | 29 | 30 |
| Destroyers | 97 | 94 | 91 | 89 | 71 | 69 | 69 |
| Frigates | 65 | 71 | 78 | 86 | 95 | 103 | 110 |
| Submarines | 80 | 82 | 87 | 96 | 98 | 98 | 100 |
| SSBNs | 41 | 40 | 34 | 33 | 34 | 35 | 37 |
| Command Ships | - | 3 | 4 | 4 | 4 | 4 | 4 |
| Mine Warfare | 25 | 25 | 25 | 25 | 21 | 21 | 21 |
| Patrol | 3 | 3 | 1 | 4 | 6 | 6 | 6 |
| Amphibious | 67 | 63 | 61 | 61 | 59 | 57 | 58 |
| Auxiliary | 114 | 110 | 101 | 117 | 103 | 120 | 121 |
| Surface Warships | 190 | 191 | 196 | 202 | 195 | 203 | 211 |
| Total Active | 533 | 530 | 521* | 555 | 533 | 557 | 571 |
| Events | Grenada operation 1983. Attempted peacekeeping in Lebanon 1983. | ||||||
| |||||||
| Date | 9/30/86 | 9/30/87 | 9/30/88 | 9/30/89 | 9/30/90 | 9/30/91 | 9/30/92 |
|---|---|---|---|---|---|---|---|
| Battleships | 3 | 3 | 3 | 4 | 4 | 1 | - |
| Carriers | 14 | 14 | 14 | 14 | 13 | 15 | 14 |
| Cruisers | 32 | 36 | 38 | 40 | 43 | 47 | 49 |
| Destroyers | 69 | 69 | 69 | 68 | 57 | 47 | 40 |
| Frigates | 113 | 115 | 107 | 100 | 99 | 93 | 67 |
| Submarines | 101 | 102 | 100 | 99 | 93 | 87 | 85 |
| SSBNs | 39 | 37 | 37 | 36 | 33 | 34 | 30 |
| Command Ships | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Mine Warfare | 21 | 22 | 22 | 23 | 22 | 22 | 16 |
| Patrol | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Amphibious | 58 | 59 | 59 | 61 | 59 | 61 | 58 |
| Auxiliary | 23 | 127 | 114 | 137 | 137 | 112 | 102 |
| Surface Warships | 217 | 223^ | 217 | 212 | 203 | 188 | 156 |
| Total Active | 583 | 594* | 573 | 592 | 570 | 529 | 471 |
| Events | Fall of the Berlin Wall and many East European communist governments, 1989-1990. Gulf mobilization and war, 1990-1991. Dissolution of the Soviet Union and end of the Cold War, 1991. | ||||||
| |||||||
| Dates | 9/30/93 | 9/30/94 | 9/30/95 | - | - | - | - |
|---|---|---|---|---|---|---|---|
| Battleships | - | - | - | ||||
| Carriers | 13 | 12 | 12 | ||||
| Cruisers | 52 | 35 | 32 | ||||
| Destroyers | 37 | 41 | 47 | ||||
| Frigates | 59 | 51 | 49 | ||||
| Submarines | 88 | 88 | 83 | ||||
| SSBNs | 22 | 18 | 16 | ||||
| Command Ships | 4 | 4 | 4 | ||||
| Mine Warfare | 15 | 16 | 18 | ||||
| Patrol | 2 | 7 | 12 | ||||
| Amphibious | 52 | 38 | 39 | ||||
| Auxiliary | 110 | 94 | 80 | ||||
| Surface Warships | 148 | 127* | 128 | ||||
| Total Active | 454 | 404 | 392^ | ||||