USS Nicholas (DD-449) and USS O'Bannon (DD-450) under construction at Bath Iron Works, Bath, Maine, 1 January 1941.
Source: NavSource Naval History Photographic History of the United States Navy
BIW’s first contract was for six Fletcher-class hulls to be built in pairs—
Nicholas (DD-449) - O’Bannon (DD-450) Chevalier (DD-451) - Strong (DD-467)
Taylor (DD-468) - DeHaven (DD-469)
Chevalier (DD-451) laid down 30 April 1941 . . . SCUTTLED 7 Oct 1943 after being torpedoed and accidentally rammed.
Strong (DD-467) laid down 30 April 1941 . . . SUNK 5 July 1943, day before Battle of Kula Gulf
De Haven (DD-469) laid down 27 Sept.1941 . . . SUNK 1 Feb 1943 167 killed and 38 wounded
Taylor (DD-468) laid down 26 August 1941. . . on 23 Aug Taylor and her sisters Nicholas and O'Bannon formed the screen of Halsey’s flagship Missouri (BB-63)