 Steiner was not present during the bombing , but at a command bunker in <unk> @-@ <unk> . After the raid , he set out for the battery , but was unable to gain entry due to the volume of fire from the British paratroopers . At the same time , a reconnaissance patrol from an army Flak unit with a half @-@ track mounting a large anti @-@ aircraft gun arrived . The crew had intended to seek cover at the position , but instead used the gun to engage the paratroopers . 
