Sam Trepp, aerospace engineer with the Human Systems Department of Patuxent River, Maryland loses his footing during the repel tower event at the Boondocker training area aboard Marine Corps Base (MCB) Hawaii, 5 Dec., 2013. The Department of Defense (DoD), ELDP, is enhancing problem solving, decision making and communication skills of military and civilian employees advancing to senior leadership positions throughout weeklong deployments each month to military installations stateside and overseas. (U.S. Marine Corps photo by Lance Cpl. Aaron S. Patterson, MCBH Combat Camera/Released)