DOOR GUNNER Marine Corps Sgt. Travis Bell scans for threats from a UH-1Y Huey helicopter during Integrated Training Exercise 2-15 on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Feb. 18, 2015. Bell is a door gunner assigned to Marine Light Attack Helicopter Squadron 169. SHARE: Download: Full Size (0.153774 MB) Tags: Week In Photos, Week In Photos Credit: VIRIN: 849257-I-YPL61-317.jpg Photo Gallery