Check off a list in your head of the government organizations that play a role in the security of the United States. The Department of Defense (DoD) and Homeland Security probably come to mind, as well as the CIA or FBI. While the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) may not even make the list, in fact, the national laboratory is doing its part to help provide energy security and reduce energy costs for the military as an energy advisor to DoD and, in this case, the U.S. Navy.