The Pantex plant is America's only nuclear weapons assembly an disassembly facility and is charged with maintaining the safety, security and reliability of the nation’s nuclear weapons stockpile. The facility is located on a 16,000 acre (65 km²) site 17 miles (27 km) northeast of Amarillo, in Carson County, Texas. The plant is managed and operated for the United States Department of Energy by BWXT Pantex and Sandia National Laboratories. BWXT Pantex is a limited liability enterprise of BWX Technologies, Honeywell and Bechtel Corporation.