Carrier Aircraft Service Units
United States Navy aircraft repair unit

Carrier Aircraft Service Units (CASU) were United States Navy units formed during World War II for the Pacific War to support naval aircraft operations. From 1942 to 1946, 69 Carrier Aircraft Service Units were formed to repair and maintain aircraft. The first unit was deployed to Naval Station Pearl Harbor. The CASU-11, was deployed on January 22, 1943, at Naval Air Station San Diego. During the war the Navy lacked enough aircraft carriers to complete all the operational requirements.
History
In 1942, Ewa Field at Naval Base Hawaii became a major United States Marine Corps and US Navy aviation training facility for Carrier Aircraft Service Units (CASU). Flight crews and air mechanics trained at Ewa Field for the upcoming Pacific War, including Battles at Wake Island, Guadalcanal, and Midway. Aircraft mechanics of Carrier Aircraft Service Units traveled with the island hopping troops as new airfields were built across the Western Pacific Ocean. The many aircraft fighting and patrolling the South West Pacific theatre of war needed ongoing maintenance. CASU-11 was deployed for three years and nine months.
“Carrier Aircraft Service Units” enters the record as united States Navy aircraft repair unit. Crown Archives preserves that source wording while asking what Carrier, Aircraft and Service can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Nov 11, 2025. The linked authority identifier is Q113697320. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1942, 1946 and 1943.
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This entry incorporates text from “Carrier Aircraft Service Units” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.