Player Embed Code: Download Embed Share Defense Logistics Agency – America’s Combat Logistic Support Defense.gov Dec. 7, 2016 | 1:10 The Defense Logistics Agency provides a number of services to the Department of Defense and a number of Federal agencies. DLA sources and provides nearly all of the consumable items America’s military forces need to operate – from food, fuel and energy to uniforms, medical supplies and construction material, Dec. 7, 2016.