Saint-Leu-d'Esserent is a commune in the Oise department in northern France.
The town hall and abbey in Saint-Leu-d'Esserent
V-1 flying bomb facilities
To carry out the planned V-1 "flying bomb" attacks on the United Kingdom, Germany built a number of military installations including launching sites and depots. Some of the installations were huge concrete fortifications.
Diagram for Maisoncelle V-1 "ski site"
V-1 rolled-out by German crew
A V-1 displayed on a launch ramp section at the Imperial War Museum Duxford. To the right of the missile, the Anlaßgerät (launch device) carries electrical connections, including safe and arm connections to the missile. Part of the starter trolley, which chemically produces steam for the catapult, can also be seen.