Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
The 2909 Squadron of the RAF Regiment saw action in Greece taking part in an invasion of the island of Kos from 15 September 1943 during the first time the RAF Regiment units deployed for action by air. The squadron deployed together with the 2901 Squadron, both armed with 33 Hispano-Suiza HS.404 anti-aircraft guns in support of the 1 battalion Durham Light Infantry.
Gartzonikas, Panagiotis, Lieut. Col., Hellenic Army, Amphibious and Special Operations in the Aegean Sea 1943-1945. Operational Effectiveness and Strategic Implications, (thesis), Naval Postgraduate School, Monterey, CA, 2003
Further reading
Kingsley M Oliver, Through Adversity: : History of the Royal Air Force Regiment, Forces & Corporate Publishing Ltd., 1997 ISBN0-9529597-0-4