fortification
From Warlike Expounder
Q324326
branch of military science
Countries:
United Kingdom:
CastlesFortsBattles - Ecastles - Fortress Study Group - Kent Defence Research Group - Palmerston Forts Society - Pillbox Study Group - The Castles of Wales - Scottish Crannog Centre - Victorian Fortification and Artillery - Victorian Forts and Artillery - EDoB Online - Frontline Ulster - martellotowers.co.uk
Historical Countries: