A Team Lackland fire rescue team extracts a dummy from a ditch May 21 at Lackland Air Force Base, Texas, during a military exercise that lasted about 45 minutes. The exercise was cancelled due to real world severe weather warnings. (USAF photo by Robbin Cresswell)

Tech. Sgt. Richard Siers, 37th Communications Squadron, interviews Raul Mancha, chief of the exercise evaluation team, regarding the severe weather military exercise May 21 at Lackland Air Force Base, Texas. Natural Disaster Response Exercises are held periodically to prepare Team Lackland members for a real world situation. (USAF photo by Robbin Cresswell)

A Team Lackland firefighter responds to a severe weather military exercise May 21 at Lackland Air Force Base, Texas, by slinging a floatation device into a ditch in an effort to save two dummies depicting children swept away in heavy rain. Coincidentally, the exercise was interrupted by a real world severe weather situation which lasted much of the day. (USAF photo by Robbin Cresswell)