Question: Letterkenny Munitions Center, located on Letterkenny Army Depot in Franklin County, Pennsylvania, is a satellite activity under Crane Army Ammunition Activity in Crane, Indiana, Letterkenny Army Depot (originally Letterkenny Ordnance Depot), the Center of Industrial and Technical Excellence (CITE) for Air Defense and Tactical Missile Systems, was established in which year?
Sentence (from "Pleasant Hall, Pennsylvania"): Pleasant Hall is an unincorporated community in Letterkenny Township in Franklin County, Pennsylvania, United States.
Relevant evidence: No