HIDALGO HUMVEE U.S. Marines use CH-53 Super Stallion helicopters to extract two communication humvees and four Marines from atop Hidalgo Mountain during the 1st Tank Battalion’s annual training operation on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 1, 2009. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 347368-Z-INT79-790.jpg Photo Gallery