A Djiboutian hydrologists pours water on a stake to increase conductivity with the ground while taking electrical resistance measurements of the earth during a course taught by a team of U.S. water resource experts. The experts, working with Combined Joint Task Force-Horn of Africa have been teaching an advanced course on geophysics in groundwater exploration. CJTF-HOA's capacity building projects contribute to U.S. government efforts to promote clean water, functioning schools and improved medical facilities for a better quality of life.