The Mesan Space Navy was the official space military force of Mesa.
A small force was stationed in the Mesa System
A light task force guarded the Verdant Vista System. In 1918 PD comprised of fourteen destroyers, three light cruisers, two heavy cruisers and one battlecruiser, commanded by Commodore Aikawa Navarre. (CS1)
The Mesan Space Navy operated modern up-to-date units. Mesa had access to Technodyne Industries' platforms like Gladiator-class heavy cruisers and Indefatigable-class battlecruisers, and other Solarian platforms like Bridgeport-class light cruisers and War Harvest-class destroyers.