Site Components:

Nike Missile Site LA-88 IFC, Chatsworth / Oat Mountain California

Do you have a correction, comment, or story you would like to share about this location? Please tell us about it in the comments below.

Latitude: 34.32633855189970
Longitude: -118.58682253483500

View on Google Maps

Base Opened: 1957
Base Decommissioned March, 1974


This location was part of the Los Angeles Defense Area

Site ID: LA-88

Missile / battery configuration: Nike 1B, 2C/18H, 30A/11L-U

This site controlled the missiles at the Launch Area located here.

Site Role: IFC
A typical Nike air defense site consisted of two separate parcels of land. One area was known as the Integrated Fire Control (IFC) Area. This site contained the Nike system's ground-based radar and computer systems designed to detect and track hostile aircraft, and to guide the missiles to their targets.

The second parcel of land was known as the Launcher Area. At the launcher area, Nike missiles were stored horizontally within heavily constructed underground missile magazines. A large, missile elevator brought the Nikes to the surface of the site where they would be pushed across twin steel rails to one of four satellite launchers.

Elaboration on how Nike worked here.

Missile Type: Ajax/Hercules
The Nike Ajax was the first in the Army's family of guided missiles, and the world's first operational, guided, surface-to-air missile system. Nike Ajax had a burnout speed of Mach 2.3, a range of 25-30 miles, and a ceiling of 65,000 feet.
Designed to carry either nuclear and/or high-explosive warheads, the Nike Hercules missile could attack supersonic aircraft operating at altitudes in excess of 150,000 feet and at a range of more than 87 miles.

Map showing location of Nike Site LA-88 IFC, California
Map 1: Map showing location of Nike Site LA-88 IFC, California

Street Level Map showing location of Nike Site LA-88 IFC, California
Map 2: Street Level Map showing location of Nike Site LA-88 IFC, California

LA-88 was where the Los Angeles Nike story became a mountain engineering story. Oat Mountain looked perfect on a map because it dominated the San Fernando Valley, but the Army still had to carve roads, level ridges, and dig missile magazines into terrain that did not want to be a base.

LA-88 was located on Oat Mountain above Chatsworth and the San Fernando Valley. It watched the northwestern approach to Los Angeles, with visibility toward the valley, surrounding mountain passes, and the Pacific-facing side of the regional defense network.

The Los Angeles Defense Area was one of the largest and most complex Nike air-defense networks in the United States. By the late 1950s, Los Angeles was ringed by sixteen Nike batteries. The defended area included the port and shipyards, Los Angeles and Long Beach industrial districts, aircraft plants, communications and transportation corridors, nearby military installations, and a major share of the nation's aerospace industry.

Nike batteries were the Army's final layer of continental air defense. Air Force warning radars and interceptor aircraft were supposed to meet enemy bombers farther out. If bombers reached the target region, the Nike batteries around Los Angeles would use ground-based radar, analog fire-control computers, and surface-to-air missiles to attempt an intercept.

Most Los Angeles sites began as Nike Ajax batteries. Ajax was a liquid-fueled, command-guided missile with a conventional warhead. Selected sites were later converted to Nike Hercules, a larger, solid-fueled, longer-range missile that could carry either conventional or nuclear warheads. The Los Angeles Hercules-converted sites were LA-04, LA-29, LA-32, LA-43, LA-55, LA-78, LA-88, LA-94, and LA-96. The Ajax-only sites were LA-09, LA-14, LA-40, LA-57, LA-70, LA-73, and LA-98.

A Nike battery was normally a split installation. The Integrated Fire Control area, or IFC, contained radar, computer, command, communications, and generator equipment. The launch area contained underground magazines, elevators, launchers, missile assembly and test facilities, security structures, roads, utilities, and support buildings.

Site Configuration and Decoded Meaning

Recorded configuration: Nike 1B, 2C/18H, 30A/11L-U.

Decoded meaning: The launch area had three underground magazines total, one Type B and two Type C. The authorized missile load was 18 Nike Hercules missiles and 30 Nike Ajax missiles. The 11L-U ending means 11 universal launchers suitable for the Hercules-era configuration.

Site History and Setting

The Department of Defense narrative identifies LA-88 at Chatsworth as the first permanent operational Nike battery in the nation. Nike Historical Society material and local presentations also emphasize LA-88's early and important Hercules role. These claims make LA-88 one of the most historically important Los Angeles sites.

The site's geography was both its strength and its construction problem. A Nike Historical Society article notes that Oat Mountain towers over the San Fernando Valley and provides visibility in all directions, including far out into the Pacific. It also notes that rugged terrain, limited road access through Browns Canyon, peak leveling, and magazine excavation delayed completion.

LA-88 was converted to Nike Hercules and remained active until March 1974. It therefore spans the full mature Nike period in Los Angeles, from early permanent-site development through the final Hercules shutdown.

The site also has a distinctive security story. Atlas Obscura and local accounts report that Los Angeles became the first air-defense system in the nation to use Army sentry dogs to protect missile sites, with four sentry dogs and handlers beginning patrols at the Chatsworth launch site in November 1958.

Units and Manning

No single battery assignment was locked for the whole operating span from the sources found, but LA-88 is strongly associated with the early permanent Nike program and the first-generation Los Angeles Hercules conversion sequence.

Nike duty at LA-88 would have centered on readiness rather than combat action. Crews maintained radar, communications, generators, launchers, elevators, missile test equipment, fuel or missile-handling systems, security fencing, vehicles, and fire-control procedures. The site existed for an emergency that never came, but it had to be able to respond quickly if aircraft penetrated the outer air-defense screen.

Post-Closure and Current Status

Sources describe the IFC as partially intact or rebuilt as a relay/communications site with remaining foundations and deteriorated roads. The launch area is described as a largely intact, below-ground triple-magazine Nike Hercules site on a high ridge, associated in source notes with California Conservation Corps camp use, later abandonment, and training use.

The closure of LA-88 fits the broader decline of the Nike system. By the late 1960s and early 1970s, the Soviet bomber threat had been overshadowed by intercontinental ballistic missiles, while the cost of maintaining large labor-intensive air-defense batteries became harder to justify. LA-94 closed in 1968, LA-29 closed in 1971, and the remaining Los Angeles Hercules sites were removed from service in 1974. Ajax-only sites such as LA-09, LA-14, LA-40, LA-57, LA-70, and LA-73 had already closed earlier.

Chronology

  • Early 1950s The Army and Corps of Engineers selected permanent and alternate Nike sites around Los Angeles while gun batteries still formed part of the regional air-defense system.
  • 1953 The Corps of Engineers Los Angeles District was obtaining properties for Los Angeles Nike batteries, using military property where possible and negotiating or acquiring non-DOD sites where necessary.
  • 1954 to 1958 The permanent Los Angeles Nike ring came into operation, with Ajax batteries established around the basin, coast, mountains, and inland approaches.
  • 1957 LA-88 entered active service.
  • Late 1950s and early 1960s Selected Los Angeles batteries were converted to Nike Hercules. LA-88 should be treated according to its specific system type above.
  • March 1974 LA-88 was deactivated or removed from active Nike service.
  • 1974 The remaining Los Angeles Nike Hercules sites were removed from service, ending the regional Nike mission.

List of all Nike Installations in the Los Angeles Defense Area

List of all Nike Installations in California
Current Google Satellite Image of Nike Site LA-88 IFC, California
Aerial View 1: Current Google Satellite Image of Nike Site LA-88 IFC, California Source: Google Maps - Click to View
Map Showing Los Angeles Defense Area Nike Launcher Locations
Map 3: Map Showing Los Angeles Defense Area Area Nike Launcher Locations Red Marker shows LA-88 Launcher Location, Black shows the other Nike Launchers in Los Angeles Defense Area

Do you have a correction, comment, or story you would like to share about this site? Please tell us about it in the comments below.