F-15K Slam Eagles from the Republic of Korea Air Force's 122nd Fighter Squadron arrive at Nellis Air Force Base, Nev., Aug. 5, to participate in Red Flag 08-04. ROKAF aircraft and crews are participating in their first Red Flag exercise, which provides a peacetime "battlefield" within which U.S. and allied aircrews train to fight, survive and win. (U.S. Air Force photo by Chief Master Sgt. Gary Emery)