The sea lion you are probably referring to is Operation Sea Lion. Operation Sea Lion was the German plan to invade the island of Great Britian. The plan was an amphibious invasion after the Luftwaffe, the German Air Force, had bombed the British into submission. But the bombing campaign failed and Operation Sea Lion never happened.
Chat with our AI personalities
I know of no animal symbol for World War 2, but some countries are symbolized by animals; bear for Russia, lion for Great Britain, eagle for USA, and dragon for China.
The U-boat submarine
ther are tenships
Nuclear, plane, land, and sea bombs.
The Nazis were. Viciously doing so to try to get Britain to surrender to the Nazis so that they could launch operation Sea Lion. (The massive, though never launched, ground-based invasion of Britain.)