Phased Naval Construction Categorisation Initiative

Warship classes
Phase One


 * UNSC Odyssey
 * Phoenix-class colony ship
 * Mako-class corvette
 * Gorgon-class heavy destroyer

Phase Two
 * Stalwart-class light frigate
 * Charon-class light frigate
 * Paris-class heavy frigate
 * Iroquios-class destroyer
 * Halcyon-class light cruiser
 * Marathon-class heavy cruiser
 * Valiant-class super-heavy cruiser (reclassified a battlecruiser in 2553)
 * Atlas-class carrier
 * Trafalgar-class supercarrier

Phase Three
 * Strident-class heavy frigate
 * Halcyon-class light cruiser (2552 refit)
 * UNSC Infinity

Phase Four
 * Autumn-class heavy cruiser
 * Poseidon-class light carrier
 * Vindication-class light battleship