MCRN Heavy Frigate and UNN Destroyer
Both MOCs are ships are from The Expanse franchise, one being based on the MCRN Orion-Class Frigate (orange) and an the unknown-class Destroyer (blue).
The bulbous head of the Orion-Class frigates are high-density missile batteries capable of pumping out up to twelve torpedoes at once, allowing this little frigate to punch way above its weight and overwhelm other vessels of similar caliber. It's five Point Defense cannons give it a full sphere of protective coverage against incoming torpedoes and make it a reasonable danger for anything that decides to get too close without a railgun.
The Destroyer is a little less special. It carries four single-tube torpedo magazines and four point-defense cannons. Unfortunately, it's PDC arrangement leaves a large blindspot around the main engine. It is, however, disproportionately small compared to its main engine and is therefore much quicker and nimbler than one would expect for such a cheap production.
Animated in Blender because why not? :D