RTX Corporation (NYSE:RTX) is one of the best defense contractor stocks to buy right now. On March 13, RTX secured a $2.01 billion contract modification from the US Air Force. The contract covers work on the Advanced Extremely High Frequency (AEHF) terminal system. RTX Corporation (RTX) Secures $2.01 Billion US Air Force Modification Contract AEHF is a satellite communications system that delivers secure, jam-resistant communications for high-priority military assets. The modification is poised to increa ...