The 3d Maintenance Operations Squadron is a unit of the United States Air Force dedicated to maintenance operations. This squadron ensures the readiness of aircraft and equipment by executing daily, routine, preventative, and corrective maintenance tasks. Their responsibilities include repair, inspection, modification, and overhaul of various platforms. The 3d Maintenance Operations Squadron operates under the 621st Contingency Aircraft Maintenance Group at Joint Base San Antonio-Randolph, Texas. Its mission is crucial for the efficient and effective functioning of the U.S. Air Force’s aviation assets.