Coast-watchers , radar , anti-aircraft artillery and aircraft as interceptors .
The first cruise missiles were the German V-1 used in WW2 against Britain.
Assuming you're referring to bolstering the German defenses known as the "Atlantic Wall", Hitler sent Gen Erwin Rommelto defend against the expected Allied invasion //
The Battle of Britain..
Yes, King George hired German soldiers to fight for Britain
Mostly Spitfires and Hurricanes, but there were others.
Britain declared war on Germany following the German invasion of Poland.
battle of the bulge
Saki Dockrill has written: 'Britain's policy for West German rearmament, 1950-1955' -- subject(s): Military relations, Foreign relations, Defenses
A4 was the German v2
In England, more German planes were downed by fighters than by antiaircraft guns.Antiaircraft defenses were the first targets in the wars against Iraq.
The armies of Britain & France on one side against the German army on the other.
German, french and, spanish