A lodgement is an

enclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...

, taken and defended by

force of arms ''Force of Arms'' (reissued under the title ''A Girl for Joe'') is a 1951 romantic war drama film set in the Italian theater of World War II. It reteamed William Holden and Nancy Olson in the third of their four movies together (''Sunset Boul ...

against determined opposition, made by increasing the size of a

bridgehead In military strategy, a bridgehead (or bridge-head) is the strategically important area of ground around the end of a bridge or other place of possible crossing over a body of water which at time of conflict is sought to be defended or taken over ...

beachhead A beachhead is a temporary line created when a military unit reaches a landing beach by sea and begins to defend the area as other reinforcements arrive. Once a large enough unit is assembled, the invading force can begin advancing inland. The ...

, or

airhead An airhead is a designated area in a hostile or threatened territory which, when seized and held, allows the air landing of further teams and materiel via an airbridge (logistics), airbridge, and provides the maneuver and preparation space necess ...

into a substantial defended area, at least the rear parts of which are out of direct line of fire. An example is

Operation Overlord Operation Overlord was the codename for the Battle of Normandy, the Allies of World War II, Allied operation that launched the successful invasion of German-occupied Western Front (World War II), Western Europe during World War II. The operat ...

, the establishment of a large-scale lodgement in

Normandy Normandy (; french: link=no, Normandie ; nrf, Normaundie, Nouormandie ; from Old French , plural of ''Normant'', originally from the word for "northman" in several Scandinavian languages) is a geographical and cultural region in Northwestern ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

References

Military geography {{mil-stub