A second component was the Amphibious Group, Task Group 317.0, commanded by Commodore Michael Clapp RN. The embarked force, the Landing Group or Task Group 317.1, comprised 3 Commando Brigade, Royal Marines (including units attached from the British Army's Parachute Regiment and a number of units under the Royal Armoured Corps cap badge (The Blues and Royals)), under the command of Brigadier Julian Thompson RM to bring it up to its wartime strength. Most of this force was aboard the hastily commandeered cruise liner "Canberra".