Lance Cpl. David J. Phfer conducts corrosion control maintenance on a CH-53 Super Stallion. Lance Cpl. David J. Phfer conducts corrosion control maintenance on a CH-53 Super Stallion with Marine Medium Helicopter Squadron 268th (Reinforced) aboard the USS Makin Island on Dec. 28, 2012. Pyfer serves as a crew chief. The squadron is the aviation combat element of the 11th Marine Expeditionary Unit, which deployed from San Diego on Nov. 14. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 341666-O-WUT04-540.jpg Photo Gallery