Nike Missile Site LA-29 IFC, Brea / Puente Hill California

LA-29 was Orange County's high-ground missile battery for Los Angeles, a Brea and Puente Hills site where Cold War engineering, private land, ridgeline roads, and later beehives all ended up sharing the same scarred hilltop.

LA-29 was located in the Brea / Puente Hills area, on the southeastern side of the Los Angeles Defense Area. It covered the inland approach from Orange County and the Puente Hills toward the Los Angeles Basin, with a launch area and IFC separated on ridgeline terrain.

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

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 12L-UA ending indicates a mixed universal/Ajax launcher arrangement, and the parenthetical 7L-H indicates 7 Hercules launcher positions in the converted arrangement.

Site History and Setting

Nike veteran Rocky Stovall described being assigned in late January 1963 to A Battery, 1st Missile Battalion, 56th Artillery at Brea. His account is useful because it places LA-29 in lived Army service rather than only in property records. He also described LA-29 as a sister site to LA-14 because both related to the Puente Hills geography.

Sources describe the control site as cleared and redeveloped on a ridge, with at least one old foundation, older roads, a radio or transmitter use, and a large water tank. The launch site is described as private, fenced, abandoned, and physically deteriorated, with broken concrete, remaining building foundations, and commercial beehives.

LA-29's later private ownership and deteriorated launch remnants give it a very different postwar identity from public interpretive sites like LA-43 or LA-96. It is a closed military site whose Cold War form survives mainly as altered ridgeline infrastructure and fragmentary physical remains.

Units and Manning

Nike duty at LA-29 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

The closure of LA-29 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.
• 1958 LA-29 entered active service.
• Late 1950s and early 1960s Selected Los Angeles batteries were converted to Nike Hercules. LA-29 should be treated according to its specific system type above.
• June 1971 LA-29 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.