7/17/2012 - Members of the 35th Security Forces Squadron apprehend a simulated shooter during an Emergency Management Exercise at Misawa Air Base, Japan, July 17, 2012. The exercise tested emergency responder’s ability to coordinate accurate and timely response procedures to an active shooter scenario in a simulated environment. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)

7/17/2012 - U.S. Air Force Master Sgt. Leah Saenz, 35th Medical Group NCO in charge of education and training, puts moulage paint on a simulated victim before an active shooter exercise at Misawa Air Base, Japan, July 17, 2012. The exercise tested the base’s ability to respond to a crisis situation in the event that a real-world threat occurs. (U.S. Air Force photo by Airman 1st Class Kia Atkins/Released)

7/17/2012 - A witness provides 35th Security Forces Squadron Airmen with a description of a simulated shooter and his vehicle during an active shooter exercise at Misawa Air Base, Japan, July 17, 2012. Accurate and timely descriptions of active shooters help 35 SFS Airmen gather crucial information to find the suspect before they cause further harm to themselves or others. Exercises such as these help prepare Airmen for real-world scenarios. (U.S. Air Force photo by Airman 1st Class Kia Atkins/Released)

7/17/2012 - U.S. Air Force Senior Airman Matthew Thompson, 35th Civil Engineer Squadron explosive ordinance disposal technician, helps unload an EOD robot during an Emergency Management Exercise at Misawa Air Base, Japan, July 17, 2012. The use of robots takes EOD Airmen out of dangerous situations. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)

7/17/2012 - U.S. Air Force Airman 1st Class David Anderson, 35th Civil Engineer Squadron engineering assistant, collects global positioning system coordinates during an Emergency Management Exercise at Misawa Air Base, Japan, July 17, 2012. The GPS used by the 35 CES is accurate to the millimeter, allowing for a precise depiction of the scene. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)

7/17/2012 - A simulated media representative asks Col. Al Wimmer, 35th Fighter Wing vice commander, questions concerning the simulated active shooter exercise during a press conference at Misawa Air Base, Japan, July 17, 2012. After a major incident occurs on base, a press conference is held to answer any questions the media may have and make the public aware that leadership is doing everything they can to prevent these events from happening again. (U.S. Air Force photo by Staff Sgt. April Quintanilla/Released)