The U.S. The Sailboat captain, who NBC identified as David John McCormick, was arrested Sunday evening after allegedly refusing to allow USCG aboard his vessel and assaulting a Coast Guard Officer. No injuries were reported. McCormick’s vessel, a 30-foot sailboat, drew suspicion near Sausalito because it had no flag or identification on the hull. USCG requested to board the boat, and the captain refused permission to board. McCormick declared that he had weapons and a USCG attempt to board the boat would stir violence. When the Coast Guard requested a backup patrol boat, McCormick cut the mooring line and headed out to sea, tailed by USCG patrol boat Sockeye and a 47-foot motor lifeboat…