Santa Ana Army Air Base (SAAAB) was an air base built during World War II that was decommissioned in 1946. The air base was used for basic training but did not have planes, hangars or runways. The base was 1,336 acres (5.41 km²) and located in Costa Mesa between Baker Street on the north, Harbor Blvd. on the west, Wilson Street on the south, Newport Blvd.