; and (B) members of the reserve components of the Armed Forces. (2) In this section, the term Secretary concerned means— (A) the Secretary of Defense with respect to matters concerning the Department of Defense; and (B) the Secretary of Homeland Security with respect to matters concerning the Coast Guard. (3) The terms Armed Forces , active service , and inactive-duty training have the meanings given such terms in section 101 of title 10, United States Code. (4) The term reserve components of the Armed Forces means the components named in section 10101 of title 10, United States Code. (5) The term National Guard has the meaning given such term in section 101(3) of title 32, United States Code. (6) The term furlough has the meaning given such term in section 7511(a)(5) of title 5, United States Code.