Rocket Lab and Joby Aviation were highlighted recently as long-term aerospace plays. Rocket Lab (RKLB) has found a niche launching smaller payloads than SpaceX. They have launched their Electron rocket 87 times and are prepping the heavier Neutron rocket for later this year. With customers like NASA and the Space Force, analysts expect revenue to grow from $602 million in 2025 to $1.53 billion in 2028. The stock is currently trading around 40 times 2028 sales. Joby Aviation (JOBY) is developing electric air taxis. Their design uses a single propeller for takeoff and cruising to save weight. They don't have commercial flights yet but have partnerships with Delta and Uber. Revenue is projected to go from $53 million in 2025 to $458 million in 2028. It trades at 23 times 2028 sales.