Military service for FERS purposes is honorable active service in the following uniformed services: Army, Navy, Air Force, Marine Corps, and Coast Guard and after June 30, 1960, in the Commissioned Corps of the Public Health Service, and after June 30, 1961, service in the Commissioned Corps of the National Oceanic and Atmospheric Administration and its predecessor agency.
Active duty in the various reserve components of the branches listed above is creditable for FERS benefits. That is, service in any reserve component is creditable when the individual is called to active duty period only. Such periods include annual active duty training periods. Note: When an employee performs annual active duty training service during which he or she is on military leave with pay from a civilian position, the period is credited as civilian, not military service.
A period of military service may be credited for retirement and death benefits purposes, subject to the following conditions: