Ouvrage Sentzich
It can be found 10 miles north-west of the ouvrage Hackenberg.
An observation cupola lies in front. Underneath is a Reibel machine gun position.
A part of the entrance. Note the narrow moat.
The Reibel in detail.
A steel box for extra observation.
Next to the Reibel a 3.7 cm gun is placed. Both weapons could be switched as the gun hangs on a rails.
The retractable turret for heavy machine guns.
The second observation cupola.