Hi,

Once again doing a little advertising for the locale museum.

Link to video made by "Tino von Struckmann" - he does not have all the facts right, but still a nice video, that shows the complex. (video is in English) YouTube

Link to little video, from arrangement at the museum in 2019... YouTube

The complex consists of 455 constructions, of which 237 is heavy(ständige) bunkers.
...and covered an area of 9 square kilometers.
6000 german soldiers manned the fortress. (3000 from Heer, and 3000 from Kriegsmarne)
A small railroad connected the 4 38cm canons and the 6 ammunitionbunkers. (railroad was 3,6km long)

Some of the weapons in this large complex:
4pcs - 38cm S.K. C/34
4pcs - 17cm S.K. L/40 in M.P.L. C/1902
16pcs - 10,5cm S.K. C/32 (semiautomatic anti-aircraft in armored turret)
2cm MG C/30
12pcs - 3,7cm S.K. C/30
4pcs - 8,8cm Flak 18, 36 & 37
4pcs - 5cm Maschinengranatwerfer M 19 (full-auto mortar - 120 shells pr.minut)
2,5cm Hotchkiss 38/39
7,5cm Flak Vickers M.35(h)
6pcs - 7,5cm F.K. 246(n)
2pcs - 7,5cm F.K. 97(f)/7,5cm F.K. 97(P)
10,5cm K. 35(t)
20mm R.K L/60 M/40 & M/41
2pcs 87mm P.K. L/50 M/32
...and many others.

Regards
Replace