A monopropellant rocket is a rocket that uses a single chemical as its propellant. Monopropellant rockets are commonly used as small altitude and trajectory control rockets in satellites, rocket upper
Lunar Landing Research Vehicle with 18 Hydrogen Peroxide Monopropellant Thrusters
Centaur III Upper Stage with 12 Hydrazine Monopropellant Thrusters
A hypergolic propellant is a rocket propellant whose components spontaneously ignite upon contact with one another. In contemporary usage, the term typically refers to the combination of dinitrogen te
Monopropellant rocket
…Monopropellant Hypergolic propellant Liquid-propellant rocket…
The Walter 109-509A hypergolic-propellant rocket engine of 1942–45
Hypergolic propellant tanks of the Space Shuttle Endeavour's Orbital Maneuvering System
The attendant wears a full hazmat suit while loading hydrazine onto the MESSENGER space probe.