NASA has selected 20 research and technology proposals -- valued at $15 million -- from 19 American small businesses. Each is partnering with research institutions for Phase II of NASA’s competitive Small Business Technology Transfer (STTR) program. STTR supports NASA's future missions into deep space and benefits the U.S. economy. Selected proposals will support the development NASA has selected 20 research and technology proposals -- valued at $15 million -- from 19 American small businesses. Each is partnering with research institutions for Phase II of NASA’s competitive Small Business Technology Transfer (STTR) program. STTR supports NASA's future missions into deep space and benefits the U.S. economy. Selected proposals will support the development