F-16D Fighting Falcons from the 162nd Fighter Wing, Ari., taxi during a three-day Aerospace Control Alert CrossTell live-fly training exercise at Portland Air National Guard Base, Ore., July 24, 2018. Representatives from the Air National Guard fighter wings, Civil Air Patrol, and U.S. Coast Guard rotary-wing air intercept units will conduct daily sorties from July 24-27 to hone their skills with tactical-level air-intercept procedures. (U.S. Air National Guard photo by Senior Airman Timothy Tweet)