High Quality Content by WIKIPEDIA articles! USS Dash (AM-428) was an Agile-class minesweeper of the United States Navy. Laid down on 2 July 1951 by the Astoria Marine Construction Co., Astoria, Oregon and launched on 20 September 1952, the ship was commissioned on 14 August 1953, and reclassified as an Ocean Minesweeper, MSO-428, 7 February 1955.