Editing Liquid rocket propellant (section)

==Present use==
{{As of|March 2025}}, liquid fuel combinations in common use:

;[[Kerosene]] (RP-1) / [[liquid oxygen]] (LOX): Used for the lower stages of the [[Soyuz-2]], [[Angara A5]], [[Long March 6]], [[Long March 7]], [[Long March 8]], and [[Tianlong-2]]; boosters of [[Long March 5]]; the first stage of [[Atlas V]]; both stages of  [[Electron (rocket)|Electron]], [[Falcon 9]], [[Falcon Heavy]], [[Firefly Alpha]], [[Long March 12]], and [[Angara-1.2]]; and all three stages of [[Nuri (rocket)|Nuri]].
;[[Liquid hydrogen]] (LH) / LOX: Used in the stages of the [[Space Launch System]], [[New Shepard]], [[H3 (rocket)|H3]], [[GSLV]], [[LVM3]], [[Long March 5]], [[Long March 7A]], [[Long March 8]], [[Ariane 6]], [[New Glenn]] and [[Centaur (rocket stage)|Centaur]].
;[[Liquid methane]] (LNG) / LOX: Used in both stages of [[Zhuque-2]], [[SpaceX Starship|Starship]] ([[List of Starship launches|doing nearly orbital test flights]]), and the first stage of the [[Vulcan Centaur]] and New Glenn.
;[[Unsymmetrical dimethylhydrazine]] (UDMH) or [[monomethylhydrazine]] (MMH) / [[dinitrogen tetroxide]] (NTO or {{chem|N|2|O|4}}): Used in three first stages of the Russian [[Proton (rocket)|Proton booster]], Indian [[Vikas engine]] for [[PSLV]], [[GSLV]], and LVM3 rockets, many Chinese boosters, a number of military, orbital and deep space rockets, as this fuel combination is [[hypergolic]] and storable for long periods at reasonable temperatures and pressures.
;[[Hydrazine]] ({{Chem|N|2|H|4|}}): Used in deep space missions because it is [[storable propellant|storable]] and hypergolic, and can be used as a monopropellant with a catalyst.
;[[Aerozine-50]] (50/50 hydrazine and UDMH): Used in deep space missions because it is [[storable propellant|storable]] and hypergolic, and can be used as a monopropellant with a catalyst.