Bureaumeans the Bureau of Employees' Compensation, U.S.
civilian American citizenmeans any person who, being then a citizen of the United States, was captured by the Imperial Japanese Government on or after December 7, 1941, at Midway, Guam, Wake Island, the Philippine Islands, or any Territory or possession of the United States attacked or invaded by such government or while in transit to or from any such place, or who went into hiding at any such place in order to avoid capture or internment by such government;