 His work triggered a 1991 Congressional investigation into the F-22 Stealth fighter that forced the Air Force and Lockheed Martin to allocate an additional $501 million to small and minority-owned firms.By law, the federal government is obligated to award a fair portion (currently 23%) of its contracts to small businesses .But a number of federal investigations and private studies have found that the government is reporting billions of dollars in contracts to large companies as federal small business awards (see references below).