employed by the Federal Government outside the United States
(1) The term “employed by the Federal Government outside the United States” means— (A) employed as a civilian employee of the Federal Government, as a Federal contractor (including a subcontractor at any tier), or as an employee of a Federal contractor (including a subcontractor at any tier); (B) present or residing outside the United States in connection with such employment; and (C) not a national of or ordinarily resident in the host nation.