USERRA's reemployment rights potentially cover every individual in the country who serves in or has served in the uniformed services, whether voluntarily or involuntarily, and applies to all employers in the public and private sectors, including Federal employers. The "uniformed services" consist of the following:   Army, Navy, Marine Corps, Air Force, or Coast Guard. Army Reserve, Naval Reserve, Marine Corps Reserve, Air Force Reserve, or Coast Guard Reserve. Army National Guard or Air National Guard. Commissioned Corps of the Public Health Service. Any other category of persons designated by the President in time of war or emergency.   "Service" in the uniformed services covers all categories of military training and service, whether performed on voluntary or involuntary basis. It includes:   Active duty Active and inactive duty for training National Guard duty (federal, not state, duty) Absence from employment for military-fitness examinations Absence from employment under orders to perform funeral honors duty Service as an intermittent disaster-response appointee upon activation of the National Disaster Medical System or as a participant in an authorized training program by such appointee Attendance at a United States military service academy