Catapult

A catapult is a device used to throw or hurl an object a great distance without need of explosives. It is often used during ancient times, although they largely fell out of large-scale military use after World War I outside of launching Aircraft

Usage
During Liquid Ocelot's Insurrection in 2014, the FROGS utilized catapults to launch their operatives high up onto rooftops when attacking a building, as demonstrated during their mission into the Middle East.

During their fight with Outer Haven, the USS Missouri also utilized catapults to launch Snake, Johnny Sasaki, and Meryl Silverburgh onto Outer Haven, supplied to them by Drebin 893 after Liquid hijacked the SOP system and planned to launch a nuke into JD with REX's railgun.

Metal Gear Online
Catapults can be utilized by the player to reach high-up buildings in Metal Gear Online, with maps including them being Urban Ultimatum and Groznyj Grad.