Army Col. Gregory B. Gonzalez, far right, project manager for unmanned aircraft systems at Redstone Arsenal, Ala., and a panel of unmanned aerial systems experts participate in a news conference in the Pentagon courtyard, May 25, 2010. The news conference was part of the Army’s celebration of 1 million unmanned flight hours. DoD photo by Army Sgt. 1st Class Michael J. Carden Army Col. Gregory B. Gonzalez, far right, project manager for unmanned aircraft systems at Redstone Arsenal, Ala., and a panel of unmanned aerial systems experts participate in a news conference in the Pentagon courtyard, May 25, 2010. The news conference was part of the Army’s celebration of 1 million unmanned flight hours. DoD photo by Army Sgt. 1st Class Michael J. Carden SHARE: Download: Full Size (0.59 MB) Credit: VIRIN: 120621-P-LVG04-996.jpg Photo Gallery