Complex sentence: Broadbill (AM-58), an Auk class minesweeper, was launched on 21 May 1942 at the Defoe Shipbuilding Company in Bay City, Michigan, sponsored by Mrs. A. Loring Swasey, wife of Captain Swasey.
Split into simpler sentences: Broadbill (AM-58), was an Auk class minesweeper, and was launched on 21 May 1942 at the Defoe Shipbuilding Company in Bay City, Michigan. It was sponsored by Mrs. A. Loring Swasey, wife of Captain Swasey.