#casemate

[redarmyscreaming]

Battleship Zlatoust.

[mostlythemarsh]

A World Underground

[lonestarbattleship]

Probably how it was like onboard with casemate guns ports onboard US dreadnought battleships.

source

[carbone14]

Un soldat du 4e Bataillon du Royal Norfolk Regiment occupe une tranchée près d'une casemate à Great Yarmouth – Norfolk – Angleterre – 31 juillet-2 août 1940

©Imperial War Museums – H 2702

[nicolasnivette]

[inthemoodforportnawak]

Albert Uderzo par Jean Mulatier (Extrait de Casemate n°104 - Octobre 2017)

[awesome-casuallyfamouscollector]

Secret underground passage and casemates in Daugavgrīva Fortress, Riga, Latvia, August 18, 2019. Photos by D.P.  

[pointandshooter]

photo: David Castenson