Base signage around Kallax AB, Sweden, during ACE 19. Original public domain image from Flickr https://www.rawpixel.com/image/4042334/photo-image-blue-sky-redFree Image from public domain licenseFour U.S. Air Force F-16C Fighting Falcons and four Swedish Air Force JAS 39 Gripens fly in formation together behind a U.S.… https://www.rawpixel.com/image/8728062/photo-image-airplane-public-domain-birdFree Image from public domain license