United States, Sept. 26 -- Hamiliton Sundstrand Corp., doing business as Collins Aerospace, Windsor Locks, Connecticut, is awarded a $19,842,222 cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract. This contract shall provide technical services inclusive of engineering, developmental, and site support services to troubleshoot, repair, sustain, upgrade, and modernize various fielded systems on board submarines. Work will be performed in Windsor Locks, Connecticut (40%); New London, Connecticut (15%); Bremerton, Washington (10%); Pearl Harbor, Hawaii (10%); Kings Bay, Georgia (10%); Norfolk, Virginia (5%); Philadelphia, Pennsylvania (5%); and Portsmouth, New Hampshire (5%), and is expected to be completed by September 2030. ...