Airman First Class Seth Hardy, left/right, 319th Aircraft Maintenance Squadron nondestructive inspection journeyman, works alongside Senior Airman Harry Fraticelli, 319 AMXS NDI craftsman, to perform a scan using sound waves on the wing of an RQ-4 Global Hawk at Grand Forks Air Force Base, N.D., March 25, 2021. The scan is performed using a mobile automated scanner system as routine maintenance on the Global Hawk after every 150 flights. (U.S. Air Force photo by Airman 1st Class Ashley Richards)