MACTAN AIR BASE, Philippines -- Tech. Sgt. Dennis Henderson, a 353rd Maintenance Squadron member, watches members of the Philippine Air Force remove seals from a hydraulic boost pack here June 22. Five maintainers from the 353rd MXS conducted a two-week training exchange with multiple PAF C-130 maintenance units during Teak Piston 09-2, a training exchange designed to enhance U.S and Philippine military training, capabilities and increase interoperability. (U.S. Air Force Photo by Tech. Sgt. Aaron Cram)