https://www.warhistoryonline.com/world-war-ii/colditz-cock.html?chrome=1
Colditz Cock: The Glider Constructed By POWs to Escape from Colditz Castle | War History Online
Feb 9, 2023 - POWs during WWII often got creative with their escape attempts. Among the most elaborate was the construction of the Colditz Cock, a glider.
colditz cockthe gliderfrom castlewar historyconstructed