US submarines destroy a Japanese warning ship equipped with radar during World War II

The transcript discusses the response to Japanese aggression in the Pacific during World War II. It highlights the role of British airmen in saving Britain post-Dunkirk, as noted by Fleet Admiral Chester Nimitz. Additionally, it emphasizes the crucial role played by submarine personnel in filling the breach after the attack on Pearl Harbor.

What was the significance of the war being carried to the Axis in the Pacific?

What does the phrase 'filled the breach' imply about the actions of the submarine personnel?