5 C.F.R. § 842.302
Cadet Nurse Corps means any training as a student or graduate nurse under a plan approved under section 2 of the Act of June 15, 1943 (57 Stat. 153).
Employee means an employee as defined by 5 U.S.C. 8401(11) .
FERS means the Federal Employees Retirement System as established under chapter 84 of title 5, United States Code.
Government means the Federal Government and Gallaudet College.
Member means a Member of Congress as defined by 5 U.S.C. 8401(20) .
Military service means honorable active service in the armed forces of the United States; in the commissioned corps of the Public Health Service after June 30, 1960; or in the commissioned corps of the National Oceanic and Atmospheric Administration, or a predecessor entity in function, after June 30, 1961. "Military service" does not include service in the National Guard except when ordered to active duty in the service of the United States.
Survivor means a current spouse, a child or a former spouse who is entitled to an annuity in accordance with part 843 of this chapter.
5 C.F.R. § 842.302