Sierra Nevada Corp., which was awarded an Air Force contract to build aircraft for the Afghan military and then had the contract revoked, filed a lawsuit with the U.S. Court of Federal Claims today seeking reinstatement of that contract. This is the second lawsuit filed against the Air Force over the contract. The first lawsuit was brought by Sierra Nevada's competitor, Hawker Beechcraft, after the Air Force eliminated it from the contract competition and then denied the company an explanation...