Robert H. Smith-class destroyer
The Robert H. Smith class of destroyer minelayers was built by the United States during World War II. The class was named for naval officer Robert H. Smith.
These vessels were all originally laid down as s and converted during construction in 1944. In that time the United States produced twelve Robert H. Smith-class destroyer minelayers. Their original hull numbers were DD-735-40, 749–51, and 771–73. None of the Robert H. Smith-class vessels ever laid a mine in wartime, though they were frequently employed in minesweeping. Minelayers did not carry torpedo tubes. Otherwise they were used interchangeably with other destroyer types. As radar pickets at Okinawa, Aaron Ward, Lindsey, and J. William Ditter were damaged by kamikazes, and Shea by a Baka bomb. Five of the class served actively in the 1950s, but all survivors were mothballed by the end of the decade and were disposed of in the 1970s. None of this class received FRAM conversions.
Earlier Destroyer Minelayer (DM) conversions
The previous DM-classed vessels were all conversions from earlier flush-deck destroyers of WW1 vintage.| Ship name | Hull no. | Converted to DM | Fate |
| DM-1 | 17 July 1920 | Stricken 1 December 1936; target 20 July 1937 | |
| DM-2 | 17 July 1920 | Stricken 7 January 1936 | |
| DM-3 | 17 July 1920 | Stricken 25 January 1936 | |
| DM-4 | 17 July 1920 | Stricken 7 January 1936 | |
| DM-5 | 17 July 1920 | Stricken 22 October 1930 | |
| DM-6 | 17 July 1920 | Stricken 25 January 1936 | |
| DM-7 | 17 July 1920 | Stricken 22 October 1930 | |
| DM-8 | 17 July 1920 | Stricken 11 November 1931 | |
| DM-9 | 17 July 1920 | Stricken 1 December 1936; target 23 July 1937 | |
| DM-10 | 17 July 1920 | Stricken 18 November 1930 | |
| DM-11 | March 1921 | Sold 22 April 1932 | |
| DM-12 | July 1920 | Stricken 1 December 1936; target 22 July 1937 | |
| DM-13 | July 1920 | Stricken 1 December 1936; target 20 July 1937 | |
| DM-14 | July 1920 | Stricken 11 November 1931 | |
| DM-15 | June 1930 | Scuttled 16 July 1945 | |
| DM-16 | June 1930 | Stricken 13 November 1945 | |
| DM-17 | January 1931 | Stricken 28 April 1945 | |
| DM-18 | January 1931 | Sold 16 May 1946 | |
| DM-19 | January 1937 | Stricken 7 February 1946 | |
| DM-20 | June 1937 | Stricken 3 January 1946 | |
| DM-21 | June 1937 | Stricken 19 December 1945 | |
| DM-22 | une 1937 | Stricken 5 December 1945 |