Under regulations prescribed by the Secretary of Defense, a member of a uniformed service may be paid special pay at the rate of $225 for any month in which
(2) the member
(A) was subject to hostile fire or explosion of hostile mines;
(B) was on duty in an area in which the member was in imminent danger of being exposed to hostile fire or explosion of hostile mines and in which, during the period the member was on duty in the area, other members of the uniformed services were subject to hostile fire or explosion of hostile mines;
(C) was killed, injured, or wounded by hostile fire, explosion of a hostile mine, or any other hostile action; or
(D) was on duty in a foreign area in which the member was subject to the threat of physical harm or imminent danger on the basis of civil insurrection, civil war, terrorism, or wartime conditions.