Four F-16A Fighting Falcon aircraft of the 474th Tactical Fighter Wing (474th TFW) fly in formation over the Hoover Dam. Flying alongside the wing commander's aircraft, top, is an aircraft from each of the wing's three squadrons, the 428th Tactical Fighter Squadron, the 429th Tactical Fighter Squadron and the 430th Tactical Fighter Squadron. The wing is based at Nellis Air Force Base, NV