We develop solutions to challenging problems in the design and testing of propulsion systems. Jet and rocket propulsion are understood through Newton’s third law of motion, which states that, “every action has an equal or opposite reaction.” Jet propulsion happens when air that enters the front of an engine is expelled as hot gasses through a series of rotor blades. This creates a high-pressure, high-temperature turbine that generates trust. Rockets generate thrust when a working fluid reacts with oxygen in a combustion chamber. The chemical reaction generates thrust with hot exhaust gasses. To help advance the state of technology used in jet and rocket propulsion, SwRI provides aerospace clients with research and analyses in support of aerospace engineering, computational fluid dynamics, gas turbines, materials science, and rotor blade dynamics.