https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8738431Edit ImageSaveSaveEditCropCustom TextHospital in a Box Tennessee Air National at McGhee Tyson Airport Knoxville97-496 DOE photo by Lynn Freeny Hospital in a Box Tennessee Air National at McGhee Tyson Airport Knoxville Tennessee 10-25-1997. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 1047 px | 300 dpiLarge JPEG 2751 x 2400 px | 300 dpiFree DownloadHospital in a Box Tennessee Air National at McGhee Tyson Airport KnoxvilleMore