Pantex is the primary United States nuclear weapons assembly and disassembly facility that aims to maintain the safety, security and reliability of the U.S. nuclear weapons stockpile. The facility is named for its location in the Panhandle of Texas on a 16,000-acre site 20 miles northeast of Amarillo, in Carson County, Texas. The plant is managed and operated for the United States Department of Energy by Consolidated Nuclear Security and Sandia National Laboratories.