employee
(3) For purposes of this section, the term “employee” means an employee of the Department of Defense, serving under an appointment without time limitation, except that such term does not include— (A) a reemployed annuitant under subchapter III of chapter 83 or chapter 84, or another retirement system for employees of the Federal Government; (B) an employee having a disability on the basis of which such employee is or would be eligible for disability retirement under any of the retirement systems referred to in subparagraph (A); or (C) for purposes of eligibility for separation incentives under this section, an employee who is in receipt of a decision notice of involuntary separation for misconduct or unacceptable performance.