Which depot specializes in aircraft maintenance?

The depot that specializes in aircraft maintenance is Corpus Christi. This site is known for its extensive capabilities in maintaining and overhauling a variety of naval aircraft, making it a critical asset for ensuring the readiness and operational capabilities of naval aviation. The workforce at Corpus Christi includes skilled technicians who perform complex repairs and routine maintenance, encompassing everything from minor fixes to major overhauls.

The emphasis at Corpus Christi on aircraft rather than other types of military hardware or vehicles distinguishes it from the other depots. Letterkenney, for example, focuses more on munitions and equipment support, while Red River is known for its work on tactical wheeled vehicles, and Sierra specializes in electronic systems maintenance and modifications. Therefore, the unique focus at Corpus Christi on aircraft makes it the correct choice for this question.