The biggest threat to the other factions its unique to the UN and can go on land or sea this carrier is a mobile air base and decently armed

The UN submarines nothing really interesting about it

UN Battleship it is heavily armed and heavily armored and is a fearsome opponent even to enemy's on land

The UN destroyer is lightly armed and armored

The UN heavy cruiser is heavily armored with medium armor and is known for its night raids

The UN gun boat is fast and lethal to anyone in its way and well armed, they can sink unprepared battleships easily

UN medical ship, nothing important about it

The standard UN carrier can field many jets at a time and overwhelm unprepared enemy's with ease

The UN landing craft has 2 missiles launched and a tank with room for 20 soldiers