The Mon Calamari heavy carrier, a warship created by the Mon Calamari, served within the ranks of the Galactic Alliance Defense Force.
The Blue Diver, a specific warship belonging to this class, served with the Galactic Alliance Second Fleet. As part of a task force composed of Second Fleet warships, it was deployed to Corellia in 40 ABY amidst escalating tensions between the Alliance and the Corellian administration. This vessel had the capacity to carry multiple fighter squadrons and was armed with both turbolasers and ion cannons.