; and (B) has not yet completed the service obligation described in section 2200p(c)(1). (6) Qualified defense contractor The term qualified defense contractor , for any year, means an entity awarded a contract with the Department of Defense for that year for an amount in excess of $500,000. (7) Qualified institution of higher education The term qualified institution of higher education means an institution of higher education that— (A) provides an educational program in a STEM or computer-science field for which the institution awards a bachelor's or graduate degree; and (B) has an agreement in effect with the Secretary under section 2200s(b). (8) Qualified student The term qualified student means an individual who— (A) is a citizen of the United States; (B) is between the ages of 19 and 31 years old (inclusive), except that the Secretary may waive such age requirement on a case-by-case basis; (C) demonstrates an aptitude for technical subjects and a propensity for public service; (D) before the beginning of the first year of participation in the program, will have completed not less than 30 credit hours (or the equivalent) of coursework at an institution of higher education, which may include coursework completed at a junior or community college (as that term is defined in section 312(f) of the Higher Education Act of 1965 ( 20 U.S.C. 1058(f) )); and (E) for the first year of participation in the program— (i) in the case of an undergraduate student, will be enrolled in the third year of a bachelor’s degree program in a STEM or computer-science discipline at a qualified institution of higher education; or (ii) in the case of a graduate student— (I) will be enrolled in graduate degree program in a STEM or computer-science discipline at a qualified institution of higher education