| Year | Date | Historical Events |
| 1943 | Apr 1 | Keel laid down by the Electric Boat Co., Groton, CT. |
| | Dec 19 | Launched. |
| 1944 | Apr 21 | Commissioned wih CDR. J. E. Lee in command.
|
| | Jun 26 | Croaker arrived at Pearl Harbor, HI. from New London, CT. |
| | Jul 19 | Croaker put to sea on her 1st war patrol, sailing to the East China and Yellow Seas. |
| | Aug 7 | Croaker sank the light cruiser Nagara. |
| | Aug 14 | Croaker sank a freighter. |
| | Aug 17 | Croaker sank a freighter. |
| | Aug 31 | Croaker arrived at Midway Island for upkeep. |
| | Sep 23 | Croaker sailed in a wolfpack for the same area on her 2nd war patrol. |
| | Oct 9 | Croaker sank a freighter. |
| | Oct 23 | Croaker sank a freighter. |
| | Oct 24 | Croaker sank one freighter and damaged another. |
| | Nov 10 | After stopping at Midway for fuel, Croaker arrived at Pearl Harbor, HI. for refit. |
| | Dec 13 | Croaker's 3rd war patrol, in the Luzon Straits and South China Sea, found her making no contacts with enemy shipping, but providing essential lifeguard service during strikes on Luzon preparatory to the invasion landings in Lingayen Gulf. |
| 1945 | Feb 13 | Croaker arrived at Fremantle, Australia for refit. |
| | Mar 12 | Croaker sailed for her 4th war patrol off the coast of Indo-China and was twice interrupted by the need to return to Australia for repairs. |
| | Apr 22 | Croaker arrived at Subic Bay, Philippine Islands for refit. |
| | May 15 | Croaker sailed for her 5th war patrol, in the Java Sea. |
| | May 30 | Croaker attacked a convoy of three small oilers guarded by an escort, with unconfirmed results. |
| | Jul 1 | Croaker's 6th and final war patrol, found her assigned to lifeguard duties in the South China Sea and off Hong Kong as the final series of air attacks on Japan were carried out.
|
| | Aug 13 | Returning to Subic Bay, Philippine Islands, Croaker sailed for Saipan and continued on to Galveston, TX., and New London, CT. |
| 1946 | May 15 | Decommissioned at New London, CT and placed "In Reserve". |
| 1951 | May 7 | Recommissioned and served as a schoolship out of New London, CT. |
| 1953 | Mar 18 | Decommissioned at the Portsmouth Naval Shipyard, Kittery, ME. for conversion to a hunter-killer submarine. |
| | Apr 9 | Croaker was reclassified as SSK-246. |
| | Dec 11 | Recommissioned at the Portsmouth Naval Shipyard, Kittery, ME. |
| 1954 | Feb 1 | Returning to active duty, Croaker operated along the East Coast and in the Caribbean, visiting ports in England while taking part in NATO exercises in 1957 and 1958.
|
| 1959 | Aug 1 | Croaker was reclassified as SS-246. |
| 1960 | Sep 1 | Coaker depated on a cruise sailing through the Mediterranean & Suez Canal to call at various Near Eastern ports and Karachi, Pakistan. |
| | Dec 15 | Croaker returned to New London, CT. |
| 1967 | May 1 | Croaker was reclassified as an Auxiliary Submarine AGSS-246. |
| 1968 | Apr 2 | Decommissioned. |
| 1971 | Dec 20 | Struck from the Naval Register and reclassified as a Miscellaneous Unclassified Submarine IXSS-246. |
| 1988 | Jan 1 | Since 1988, Croaker has served as a museum ship at the Buffalo and Erie County Naval & Military Park in Buffalo, New York. |