A flight crew launches a U.S. Army Joint Land Attack Cruise Missile Defense Elevated Sensor System at the Utah Test and Training Range, Utah, Feb. 3, 2014. JLENS, which is contracted through Raytheon, uses aerostats to elevate sensors for long-range detection and tracking for superior land attack cruise missile defense. (U.S. Air Force photo by Senior Airman Tiffany DeNault/Released)