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| Name | Acres | Located | Description |
| Abalone Point Fc Station | 2.27 | Abalone Point |
| Anaheim Airport | 240.00 | Buena Park | THE DEPARTMENT OF DEFENSE (DOD) LEASED THIS 240-ACRE AIRPORT SITE FROM THE LUEBKEMAN FAMILY DURING OR SUBSEQUENT TO 1942. REAL ESTATE RECORDS WERE NEITHER SPECIFIC NOR COMPLETE.DURING WORLD WAR II, THE SITE WAS USED BY THE U.S. NAVY AS AN AUXILIARY AIRFIELD FOR BASIC FLIGHT TRAINING OF NAVY PILOTS BASED AT LOS ALAMITOS NAVAL RESERVE AIR BASE.DOD TERMINATED THE LEASE DURING OR PRIOR TO 1945. THE SITE WAS NOT USED AS AN AIRPORT AGAIN AND WAS SOLD BY THE LUEBKEMAN FAMILY IN 1970 TO A DEVELOPER. IT HAS BEEN DEVELOPED AS A HIGH DENSITY, RESIDENTIAL AREA OF SINGLE FAMILY HOMES. |
| Long Beach Ammunition Loading Pier | Close To Long Beach | N/A |
| Santa Ana Army Air Base | 1336.10 | Costa Mesa | |
| Production Rocket Engine Annex | 408.66 | Costa Mesa |
| Mcas El Toro | El Toro | This is an active Marine base. 3/25/93 |
| Fullerton Dam-e Fullerton Cree | Fullerton | ||
| Brea Flood Control Basin | Fullerton |
| Fire Control Station #12 | 0.85 | Huntington Beach | |
| Ryan Aeronautical Co. | Huntington Beach | N/A |
| Irvine Park- Army Camp | 225.00 | Irvine Park | N/A |
| San Clemente Radar Station X40 | Laguna Beach |
| Los Alamitos Radar Bomb Scorin | Los Alamitos | ||
| Usnas Los Alamitos | Los Alamitos |
| Camp Commander | 10.00 | Lower Peters Canyon Retarding Basin | The U.S. Army leased land from Mr. James Irvine before or during 1944 for establishment of the area known as Camp Commander near Little Peters Lake, California. The number of acres leased is unknown. Real estate records were neither specific, nor complete. The U.S. Army used the site for training combat troops in field exercises and command post exercises. Mock battles were conducted with Camp Rathke, an army camp two miles north of the site. No permanent structures were constructed by the U.S. Army. Combat training involved use of small arms, including rifles, machine guns, and bazookas. The Army disposed of the site before or during 1946. The land was returned to private ownership. Records were neither complete, nor specific. The site is currently owned by Orange County, and, as part of Peters Canyon Regional Park, is used by the public for recreation. |
| Newport Beach Fcs | 6.00 | Newport Beach | N/A |
| Cal Marine Industries | Newport Beach | N/A | |
| U.s. Coast Guard Patrol Base | 3.68 | Newport Beach | THE COAST GUARD USED THE SITE AS PART OF THE 11TH NAVAL DISTRICT'S BEACH PATROL. THE COAST GUARD PATROLLED THE BEACHES AND INLETS ALONG THE COAST OF THE 11TH NAVAL DISTRICT IN THE VICINITY OF NEWPORT BEACH AND CORONA DEL MAR DURING WORLD WAR II. THE PATROL BASE WAS DESIGNATED AS POST S-12 AT BALBOA (NEW-PORT BEACH). IT IS EXPECTED THAT THE COAST GUARD USED EXISTING FACILITIES FOR ADMINISTRATIVE, STORAGE, AND DOCKING REQUIREMENTS. IT IS NOT KNOWN IF ANY IMPROVEMENTS WERE CONSTRUCTED BY THE COAST GUARD OR NAVY DURING WORLD WAR II. |
| Carbon Canyon Flood Cont Basin | Placentia |
| Trabuco Bombing Range | 1800.00 | Rancho Santa Margarita |
| Radar Bomb Scoring | Santa Ana | N/A | |
| Orange County Army Airfield | Santa Ana | ||
| Usarc Santa Ana | 32.70 | Santa Ana | N/A |
| San Ana Air Ng Radar Relay | Santa Ana | ||
| Mcas Santa Ana | Santa Ana | ||
| Mcas Holfmile Field | Santa Ana | ||
| Bolsa Chica Mil Res | 771.96 | Santa Ana | |
| West Coast Air Training Center | Santa Ana | N/A | |
| North American Aviation | Santa Ana | ||
| Compak Foods | Santa Ana | N/A |
| Seal Beach Radar Bobm Scoring | Seal Beach | ||
| Nws Seal Beach | 4889.12 | Seal Beach | N/A |
| Landing Hill Fcs #10 | 2.08 | Seal Beach | N/A |
| Alamitos Land Company Bomb Target | Seal Beach | N/A |
| Seryaco Peak Radar Relay | Seryaco |
| Tustin Natil Guard Rifle Range | 701.54 | Tustin | N/A |
| Naval Air Station | 1683.94 | Tustin | The Navy acquired a total of 1,683.94 acres for the Naval Air Station as follows: on 19 January 1943, 1,606.52 acres were acquired in fee from Mr. Frank Borchard; on 23 September 1974, 0.50 acre was acquired in exchange from The Irvine Company (TIC); on 20 January 1981, 71.00 acres in two parcels (35.81 acres and 35.19 acres) were acquired in exchange from TIC which included the reacquiistion od 17.00 acres quitclaimed to TIC in 1972, resulting in a net acquisition of 54.00 acres; on 12 March 1986, a 0.72-acre easement was acquired in exchangefrom TIC. The Navy used the site initially as a Lighter-Than-Air (LTA) base to support observation blimps and personnel conducting coastal antisubmarine patrols. The Navy constructed over 200 structures on the base, including housing and infrastructure, aircraft hangars and maintenance facilities, and storage for fuel and ammunition. The site is currently used as a Marine Corps helicopter base. |