The mission statement for Letterkenny Army Depot is — Letterkenny Army Depot repairs and modernizes Air and Missile Defense and precision fires systems to enable multi-domain operations for U.S. and allied forces. We do it because our nation's service members commit their lives to the security of our country, so we passionately dedicate ourselves to the continuous improvement of their equipment and ourselves. Do you want to see proof of the systems we repair and modernize? Check out this video o