NASA has awarded contracts to Air Products and Chemicals, Inc. of Allentown, Pennsylvania, and Messer LLC of Bridgewater, New Jersey, to supply gaseous and liquid helium. Each contract is a fixed-price, indefinite-delivery requirement contract that begins Oct. 1 with a two-year base period, followed by three one-year options that, if exercised, extend the contract to NASA has awarded contracts to Air Products and Chemicals, Inc. of Allentown, Pennsylvania, and Messer LLC of Bridgewater, New Jersey, to supply gaseous and liquid helium. Each contract is a fixed-price, indefinite-delivery requirement contract that begins Oct. 1 with a two-year base period, followed by three one-year options that, if exercised, extend the contract to