During WW2, Italian Navy divers use underwater chariots to mine the keels of British warships, forcing the British to send underwater demolition expert Lionel Crabbe and his team to counter ... Read allDuring WW2, Italian Navy divers use underwater chariots to mine the keels of British warships, forcing the British to send underwater demolition expert Lionel Crabbe and his team to counter these enemy actions.During WW2, Italian Navy divers use underwater chariots to mine the keels of British warships, forcing the British to send underwater demolition expert Lionel Crabbe and his team to counter these enemy actions.