STALLION FORMATION CH-53D Sea Stallion helicopters fly in formation and complete a memorial flight over Afghanistan's Helmand province, Aug. 9, 2012. The helicopter crews are assigned to Marine Heavy Helicopter Squadron 362. Known as the "Ugly Angels," the squadron will be deactivated later this year after more than 60 years of service. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 905183-B-KFI43-203.jpg Photo Gallery