fortified line
line of troops and armament, fortified and set up to protect a high-value location during an armed conflict
Roman limes
border defence or delimiting system of Ancient Rome
Panther-Wotan line
German defense line in WW II between Germany and the USSR
Gin Drinkers Line
fortified line in Hong Kong
Taunton Stop Line
World War II defensive line in south west England
Ettlinger Line
part of the Siegfried Line
GHQ Line
defence line built in the United Kingdom during World War II
Fortified Sector of Lille
part of the Maginot Line
Fortified Sector of Colmar
part of the Maginot Line
Fortified Sector of Mulhouse
part of the Maginot Line
Fortified Sector of the Lower Rhine
part of the Maginot Line
Castles of Ancona
series of fortifications built or acquired by the Republic of Ancona
Alpine Line
part of the Maginot Line in the Alps
Wagner Line
Russian army defensive line
National Redoubt
defensive plan devised by the Swiss government against foreign invasion
Pomeranian Wall
German defence line
Mannerheim Line
defensive fortification line built by Finland against the Soviet Union
Maginot Line
line of fortifications along the French/German border
Salpa Line
bunker line on the eastern border of Finland
Czechoslovak border fortifications
architectural structure
Bar Lev Line
chain of fortifications built by Israel
Molotov Line
system of border fortifications built by the Soviet Union
Fortifications of Bois le Duc
Dutch defence line
Weygand Line
defence line in France
Queen's Lines
line of fortifications in Gibraltar
Eagle's Nests
a system of medieval castles guarding the border of the Kingdom of Poland
Santa Margherita Lines
line of fortifications in Cospicua, Malta
Siegfried Line
German defensive line used in World War II
hedgehog defence
military stratagem
Grip Line
Dutch defence line
Bilbao's Iron Ring
Spanish Civil War fortifications
Fortified Sector of Thionville
part of the Maginot Line
Fortified Sector of the Vosges
part of the Maginot Line
Fortified Sector of the Escaut
part of the Maginot Line
Corradino Lines
line of fortification in Paola, Malta
Otto Line
defence line in Germany
investment
military term
Kuban bridgehead
bridgehead in the WW2 Battle of the Caucasus
Vesting Holland
Dutch fortification line
Metaxas Line
fortifications in northeastern Greece in 1935–1940
Ceuta border fence
part of the Morocco–Spain border at Ceuta
Du Moulin Line
defence line in Maastricht, Netherlands
Wall of Genghis Khan
Mongolian defence line
Sura Line
Russian defence line
Stokes Bay Lines
defence line for Gosport, UK
Johnston's Line Archaeological Site
archaeological site in Mableton, Georgia, USA
Spanish Coastal Watchtowers
historical defense tower line in Spain