Vel'tar class

The Vel'tar-class was a type of armored transport that saw service with the Romulan Star Empire during the 24th century. The class entered service in 2355. 

The Vel'tar was a small, boxy vessel that was designed to ferry 12 troops from orbit to the surface of the planet. The ship had large side doors to disembark its troops and also has transporters to beam troops off the vessel.