Carson, Colorado from 1976 to 1978, followed by assignment as commandant, Training Command, 4th Infantry Division (Mechanized). Reimer attended the United States Army War College from 1978 to 1979, and received his Master of Arts degree from Shippensburg State College in 1979. He was promoted to temporary colonel in August 1979 and served as deputy commander and later special assistant to the commander, V Corps Artillery, United States Army, Europe, from 1979 to 1980. Reimer was chosen to command Division Artillery, 8th Infantry Division (Mechanized) from 1980 to 1982 and was promoted to permanent colonel in March 1982. He moved on to become the division's chief of staff from 1982 to 1983. Reimer returned to Fort Sill as deputy assistant commandant, Field Artillery Center and School from 1983 to 1984. He was promoted to permanent brigadier general in September 1984 and took up assignment as commanding general, III Corps Artillery, Fort Sill, from 1984 to 1986. He served as chief of staff, United States Army Element, Combined Field Army in the Republic of Korea in 1986, followed by assistant chief of staff, C3/J3, Republic of Korea/United States Combined Forces Command from 1986 to 1988. He received promotion to major general in September 1987 and commanded the 4th Infantry Division (Mechanized) at Fort Carson from 1988 to 1990. This was followed by promotion to permanent lieutenant general in July 1990 and assignment as deputy chief of staff for operations and plans and Army senior member, Military Staff Committee, United Nations, Washington, D.C., from 1990 to 1991. Reimer received his fourth star in June 1991, serving as Vice Chief of Staff of the United States Army from 1991 to 1993. He then served as commanding general, United States Army Forces Command, Fort McPherson, from 1993 to 1995 before being selected as Chief of Staff of the United States Army. Reimer has been credited with revamping the Army during a period of high-tempo deployments, including peacekeeping in Bosnia-Herzegovina and Kosovo. Reimer retired from active service in August 1999. The United States Army has named their digital library after him. Post-retirement / Honors After retirement, Reimer served as director of the Oklahoma City National Memorial Institute for the Prevention of Terrorism, testifying before the Congressional Subcommittee on National Security, Emergency Threats and International Relations on April 29, 2003. He has also served on the boards of Microvision, DRS Technologies, Plato Learning and Mutual of