An EA-6B Prowler refuels off the boom of a U.S. Air Force KC-135R Tanker at an approximate height of 20,000 feet in the Nevada skies, July 27. The Prowler is from Marine Tactical Electronic Warfare Squadron 3, out of Marine Corps Air Station Cherry Point, N.C., and the Tanker is from the 22nd Air Refueling Wing, out of McConnell Air Force Base, Kan. Both aircraft are participating in Red Flag 10-4, which is a two-week advanced aerial combat training exercise, hosted at Nellis Air Force Base, Nev. - An EA-6B Prowler refuels off the boom of a U.S. Air Force KC-135R Tanker at an approximate height of 20,000 feet in the Nevada skies, July 27. The Prowler is from Marine Tactical Electronic Warfare Squadron 3, out of Marine Corps Air Station Cherry Point, N.C., and the Tanker is from the 22nd Air Refueling Wing, out of McConnell Air Force Base, Kan. Both aircraft are participating in Red Flag 10-4, which is a two-week advanced aerial combat training exercise, hosted at Nellis Air Force Base, Nev.