A Royal Air Force crew chief looks over the flightline from the back of a British Merlin MK3 helicopter after taking off Aug. 21, 2013, from NATO Air Base Geilenkirchen, Germany. Three British Merlin MK3 helicopters arrived at the E-3A Component on Aug. 20 for an operational stop, or op stop, while on their way to Albania, where they will participate in a naval exercise. The helicopters departed the base on Aug. 22.