MSD-524 Missile Rack

The Behring MSD-524 "Marsden" Missile Rack is a size 5 missile rack that is able to carry two size 4 missiles. It is a part of Marsden series ordnance storage and deployment system.

In-game description
"Behring’s MSD-524 'Marsden' is a complete ordnance storage and deployment system that can be mounted on any compatible size 5 hardpoint for the reliable and effective launch of two S4 missiles."