LYNCHBURG, Va.--(BUSINESS WIRE)--BWX Technologies, Inc. (NYSE: BWXT) today announced that its Nuclear Fuel Services, Inc. (NFS) subsidiary was awarded a $122 million contract extension from the Tennessee Valley Authority (TVA) for the downblending of highly enriched uranium (HEU) into low enriched uranium (LEU). Under this contract, NFS will continue to provide downblending services to the TVA in support of the National Nuclear Security Administration’s (NNSA) defense programs objectives. This contract e ...