Oklahoma National Guardsmen conduct search and rescue operations in Moore, Okla., May 21, 2013, after a devastating tornado killed dozens of people there, May 20. The guardsmen are assigned to the 63rd Civil Support Team. Oklahoma National Guardsmen conduct search and rescue operations in Moore, Okla., May 21, 2013, after a devastating tornado killed dozens of people there, May 20. The guardsmen are assigned to the 63rd Civil Support Team. SHARE: Download: Full Size (3.37 MB) Tags: Photo Essays Credit: VIRIN: 346096-O-VXN48-716.jpg Photo Gallery