The Kaidan-class is a powerful maritime warship meant to carry out shore bombardment in ground actions, as well as anti-starship defense. In large numbers, Kaidans can prove to be a match for interstellar destroyers or cruisers.
The Kaidan-class is heavily armored, sheathed in a foot of synthetic diamond armor plating. In addition, the entire vessel is protected by a starship-grade plasma shield generator, giving it increased survivability. For point defense, it is armed with 12 quad barrel pulse laser turrets, capable of shooting down incoming fightercraft and missiles. It has a top speed of 44 knots, so it is an easy target for attack; its defenses must be able to withstand massive amounts of fire.
As for offense, the Kaidan carries four capital-grade dual plasma cannons. These weapons are the same guns used on Republic starships, and usually must be toned down for use against surface targets due to their destructive power. Even on low-powered settings, these cannons are enough to vaporize armored vehicles.
Though it sees limited use, the Kaidan is used as an inexpensive alternative to full-sized starships to defend planets with large bodies of water. Though some question the need for aquatic warships in this day and age, the vessels continue to act as a deterrent against invasion on Republic worlds throughout the Sagittarius Arm.