 "Chepachet" was launched on 10 March 1943 after being built at Sun Shipbuilding & Dry Dock Co., Chester, Pennsylvania, under Maritime Commission contract MC 340 as hull number 278 and USMC number 353.Sponsored by Mrs. I.G.Klemmer, the ship was commissioned by the US Navy on 27 April 1943 with Lieutenant Commander H.R.