Game Usage
 Terran vs Zerg
The Marine is the backbone of the Terran army in Terran vs Zerg. Combined with the Medic, Marines are extremely cost effective and do full damage against all units.
 Terran vs Protoss
Marines are only used in the early game against Protoss, often as early pressure when Protoss decides to expand quickly.
 Terran vs Terran
Related ThreadsSCVs should be able to repair Marines and Marauders. - last post by @ Sep 5, 2010
Marines Entering Bunker at Very Begining part of game - last post by @ Apr 21, 2008
Marine Arena theme song - last post by @ Mar 6, 2012
Tank Push with Stimed Marines + Medics - last post by @ Apr 4, 2003