The brigade as a formation, was not involved in Operation Husky, the Allied invasion of Sicily, but 40 RM Commando was involved in the assault landings as Army Troops. In Operation Shingle, the assault at Anzio, No. 9 (Army) Commando and No. 43 (Royal Marine) Commando were the only units involved. The whole brigade would be involved in the final offensive of the Italian Campaign.