(1) Serving in the armed forces of the United States or in support of the armed forces of the United States in an area designated by the President of the United States by executive order as a "combat zone," as that term is defined by the Internal Revenue Code of 1986, at any time during the period designated by the President's executive order as the period of combat activities in the zone;
(2) Hospitalized as a result of an injury received while serving in such an area during the period of combat activities; or
(3) Who is confined as a prisoner of the forces opposing the United States in a combat zone,