A Mass Driver (MD) is a platform that is installed on a solid surface of a planet, moon, or asteroid. It is used to shoot payloads into space at high velocity.
Mass driver, The Babylon Project
Mass Driver
Strike Industries Mass Driver Compensator for Compact Glock Gen4® G17 Compatible
Kuati Mass Driver image - Yuuzhan Vong at War mod for Star Wars: Empire at War: Forces of Corruption - ModDB
Mass Driver by Athan1995 : r/acecombat
Engineering a LIGHT-SPEED mass driver
Strike Industries Mass Driver Compensator for Compact Glock Gen3® G19 Compatible
Electromagnetic Mass Driver: Back to the Moon!
L5 News: Mass Driver Update – NSS
PDF] Multiple Mass Drivers as an Option for Asteroid Deflection Missions
Mass Driver - MFC-088 - Common - Unl Edition - NM - Yugioh!
Strike Industries Mass Driver Comp for Glock 19 Gen4 Black