Veteran. This term means a person who -
(1) Is not on active duty.
(2) Served as a member of the Air Force, Army, Navy or Marine Corps.
(3) Enlisted or reenlisted after November 30, 1980, and before October 1, 1981, specifically for benefits under the provisions of 10 U.S.C. 2141 through 2149; Pub. L. 96-342; and
(4) Meets the eligibility requirements for the program as stated in § 21.5740.