HC-130J Combat King II letter check
Airmen Alex Rodriguez and Brandon Hamdan, 920th Aircraft Maintenance Squadron rescue maintenance specialists, inspect the inside of a dry bay on an HC-130J Combat King II Aircraft during a letter C maintenance inspection check at Patrick Space Force Base, Florida, April 26, 2023. To keep the HC-130J Combat King II operational, letter checks are conducted. These checks are routine inspections which are broken down in categories A, B, C, and D. Each letter check is conducted 270 days apart with an A check in-between each new letter grade. (U.S. Air Force photo by Staff Sgt. Darius Sostre-Miroir)