Siemens Government Technologies did not provide financial details of the contract, which includes a multi-year service, maintenance and warranty agreement.

The Pantex plant is America's only nuclear weapons assembly and disassembly facility. Its mission is to maintain the safety, security and reliability of the nation’s nuclear weapons stockpile.

NNSA, part of the Energy Department, was created by Congress in 2000 with responsibility for the management and security of the nation’s nuclear weapons, nuclear nonproliferation, and naval reactor programs.

According