Thirteen C-17 Globemaster III aircraft fly over the Blue Ridge Mountains in Virginia during low level tactical training Dec.… https://www.rawpixel.com/image/8718554/photo-image-planes-public-domain-blueFree Image from public domain licenseA line of C-130 Hercules aircraft taxis during the U.S. Air Force Weapons School Mobility Air Forces Exercise on Nellis Air… https://www.rawpixel.com/image/8728403/photo-image-public-domain-lineFree Image from public domain licenseTwo F16 Flying Falcon aircraft from the 169th Fighter Wing, South Carolina Air National Guard, support a large formation of… https://www.rawpixel.com/image/4043134/photo-image-building-public-domainFree Image from public domain license