sentences:  Texas Cryptologic Center
  
  The NSA/CSS Texas Cryptologic Center (TCC), also known as the Texas Cryptology Center, Texas Cryptographic Center or NSA Texas, is a satellite campus at the Medina Annex, Lackland Air Force Base, San Antonio, Texas, operated by the U.S. National Security Agency (NSA).It is adjacent to the former Medina National Stockpile Site.