|1846||U.S. Navy & Marine Corp Units||U.S. forces invade the Los Angeles Area (then a province of Mexico).|
|1847||U.S. Navy, Marine & Army Units*||U.S. forces recapture the Los Angeles area months after a U.S. garrison is driven out by rebellious local Mexican residents.|
|1861||U.S. Army Troops||Recognizing considerable local pro-Confederate sentiment during the Civil War, President Lincoln garrisons federal troops in the Los Angeles area to check potential insurrection and assistance to the Confederacy.|
|1894||U.S. Army Troops||A nationwide labor strike by railroad workers against the Pullman Company and major railroads is met by a deployment of U.S. troops to quell mob attempts to shutdown rail traffic.|
|1965||National Guard Troops||Civil riots are sparked after a California Highway Patrol traffic stop in the Watts area escalates into a physical confrontation between the motorist and family members and police.|
|1992||National Guard, U.S. Army & Marine Units**||Civil riots are sparked by the acquittals of LAPD officers accused of beating black motorist Rodney King in a traffic stop in Lake View Terrace.|
|2001||National Guard Troops||78 troops provide security for LAX in the wake of the September 11 terrorism attack in New York.|
* Also resulted in the establishment of Fort Moore on July 4, 1847. The fort, named for Captain Benjamin D. Moore (killed 1846, Battle of San Pasqual in action against Mexican militia), overlooked the Pueblo of Los Angeles and garrisoned 200 U.S. Army troops. It was abandoned after only one year. The site is now part of the Los Angeles Unified School District Headquarters.
** Military units deployed to help quell the Los Angeles urban riots in April 1992 were collectively referred to as Joint Task Force Los Angeles. Theywere commanded by U.S. Army Major General Marvin Covault, Commanding General of the 7th Infantry Division (Light), then stationed at Fort Ord, California. Several thousand troops of the 7th Infantry Division were air transported to area, arriving at Marine Corps Air Station El Toro beginning in the late evening hours of April 30, 1992. - Information provided by Morgan P. Yates, former MP, 7th Military Police Company, 7th Infantry Division.