Ecuadorian army Sgt. Hugo Vinicio Huera (center), from

Ecuadorian army Sgt. Hugo Vinicio Huera (center), from the Demining Command in General Marco Aurelio Subian Martinez military fort at La Balvina Quito, Ecuador, uses a calibrates F3 minelab mine detector during a practical exercise on Aug. 1, 2012. U.S. Army South deployed a team of soldiers to Ecuador for a two-week long course as part of the Subject Matter Expert Exchange program sponsored by USSOUTHCOM in which they exchange techniques and ideas to improve their workflow and knowledge on humanitarian demining operations. (Photo by Miguel A. Negron)