A U.S. Air Force F-15E Strike Eagle pilot and weapon systems officer assigned to the 391st Fighter Squadron at Mountain Home Air Force Base, Idaho, check their communication systems during ATLANTIC TRIDENT 17 at Joint Base Langley-Eustis, Va., April 18, 2017. The exercise demonstrates the U.S.’s heritage of aerial excellence with French and Royal air force allies in the skies. (U.S. Air Force photo/Airman 1st Class Anthony Nin Leclerec)