Operation Peg was a military operation involving US special forces (OSS) parachuted in to assist the local Maquis, in August 1944. Its mission  was to harass enemy forces by cutting Route Nationale 117, and destroying communication and supply lines in the Carcassonne Gap. It was led by 1st Lieut Grahl H. Weeks and 1st Lieut Paul Swank.

The Pat Line was named after the man who got it up and running as a reliable escape route for as many as 600 escapers and evader