By Michael Martina WASHINGTON (Reuters) – A U.S. congressional committee on China has sent a letter to the Secretary of the Navy raising doubts about a plan to move fuel from Hawaii to storage facilities across the Indo-Pacific and warning that the U.S. military risks being unprepared for a possible conflict. In a letter dated Jan. 17 and seen by Reuters, Mike Gallagher, the Republican chair of the House of Representatives’ select committee on China, told Secretary Carlos Del Toro that a long-term plan to redistribute fuel from Hawaii’s Red Hill underground bulk storage facility was a “strateg…