DARPA’s NOMARS is a 180-footlong warship designed from the ground up to not have humans aboard. (Photo courtesy of DARPA) WASHINGTON — A key Pentagon research and development agency said it has successfully launched and will soon begin sea trials for a vessel dubbed “NOMARS,” a warship built from the ground up to sail without any humans aboard. “The No Manning Required Ship ( NOMARS ) program has built a ship designed to operate autonomously for long durations at sea,” according to a statement