embourg's armament included a grüsonwerke turret with a single 21 cm krupp gun, a15cm creusot turret with twin guns and a 12 cm châtillon-commentry turret with two krupp guns, all for distant targets. four grüsonwerke 57 mm gun turrets were provided for local defense. the fort also mounted an observation turret with a searchlight. nine rapid-fire 57 mm guns were provided in casemates for the defense of the ditches and the postern.