Rocket Lab, Boeing, and GE Aerospace are the three Defense stocks to watch today, according to MarketBeat’s stock screener tool. Defense stocks are shares of companies that provide military equipment, technology, services, or other products to governments and armed forces. These companies had the highest dollar trading volume of any Defense stocks within the last several days. Get alerts:Rocket Lab (RKLB)Rocket Lab USA, Inc., a space company, provides launch services and space systems solutions for the space and defense industries. The company provides launch services, spacecraft design services, spacecraft components, spacecraft manufacturing, and other spacecraft and on-orbit management solutions; and constellation management services, as well as designs and manufactures small and medium-class rockets.