Complex sentence: It began as the United States Navy Fighter Weapons School, established on March 3,1969, at the former Naval Air Station Miramar, north of San Diego, California.
Split into simpler sentences: It began as the United States Navy Fighter Weapons School, established on March 3,1969, at the former Naval Air Station Miramar in California. The United States Navy Fighter Weapons School was established on March 3,1969, at NAS Miramar, California.