Question: What was founded in 1941 as a regiment, and later reconstituted as a corps in 1950, that fought along side a Greek special forces unit formed in 1942 in the Middle East in the Western Desert and the Aegean?
Sentence (from "Special Air Service"): The SAS was founded in 1941 as a regiment, and later reconstituted as a corps in 1950.
Relevant evidence: Yes