The 4th Mechanized Battalion is the mobile branch of the Royal Guard. Founded in 1945 in Brunant in response to the German Invasion and lack of speedy mobilization for the Brunanters, it is a well equipped troop force. It's most famous member is Princess Amalia, who was a tank commander.
The 4th battalion is divided into four companies of 400 and a fifth battery for anti-air defense, the 20th company. The battalion is based at Helmond Military Base.