 Complete the following phrase:  Having reached an apparent stalemate in early 1952 around the Red River Delta, the French command again decided to go on the offensive, giving the plan the code name Operation Lorraine. On 9 November 1952, the 1st BEP and other airborne formations were dropped into combat near Phu Doan, capturing a quantity of Việt Minh supplies and securing the area. However, the operation failed in drawing the Việt Minh into a large, set-battle as the French commanders had hoped, and as such the operation was abandoned and the remaining French forces were withdrawn on 16 and 17 November. The battalion was one of the formations selected to hold the rearguard post at Nà Sản, where it sustained a 