- In 1943, PRFTA was commissioned as a Navy Base and named after Rear Admiral Charles W. Parks, CEC, USN.
- In 1946 the Secretary of the Navy disestablished the facility. From 1946 to 1951, the Navy leased the land to the County of Alameda for use as a rehabilitation center.
- From 1951 to 1959 the Air Force used PRFTA before the installation was transferred back to the Army in a standby status under the Sixth Army, Presidio of San Francisco.
- In 1964 the installation was declared excess except for 1,600 acres retained for National Guard and Navy use.
- In 1980 it was redesignated as a semi-active installation and renamed Parks Reserve Forces Training Area.
- In 1992 it became a sub-installation of Fort Lewis, and in 1993 Command and Control moved from FORSCOM to Army Reserve Command in Atlanta, Georgia. PRFTA became a direct-reporting installation of Fort McCoy, Wisconsin.
- In 2005 PRFTA became a sub-installation of USAG Fort Hunter Liggett, supporting Active Army, Army Reserve, National Guard, Coast Guard, Navy, Air Force, and Army ROTC.
U.S. Army Parks Reserve Forces Training Area
U.S. Army Parks Reserve Forces Training Area
