U.S. Marine Corps Lance Cpls. Grant Jacobson, an engineer assistant, and Charles Alford, a heavy equipment operator from 8th Engineer Support Battalion, 2nd Marine Logistics Group, clean the metal frame before reapplying a water proofing seal around the edges of the window pane. The Guatemala Brigada de Infanteria de Marina (BIM) engineers along with their U.S. counterparts help renovate the Biblioteca Municipal Corporacion 74-78 as part of a humanitarian engineering project in Puerto Barrios, Guatemala, Aug. 14, 2014. The Marines and Sailors are helping to remodel buildings in support of Southern Partnership Station 2014, a combined joint exercise focused on subject matter expert exchanges with partner nations and security forces as well as military to military engagements and community relations projects in Central America. (U.S. Marine Corps photo by Lance Cpl. Chloe Nelson, 2D MAR DIV Combat Camera/ Released)