The main Japanese fleet had been redeployed to Singapore the previous month, and it was feared that this force could attack Western Australia. Reinforcements, including six Royal Australian Air Force flying squadrons, were dispatched to safeguard Fremantle, Perth, and other cities. Other Allied air units were held at Darwin in the Northern Territory.

The main Japanese fleet had been redeployed to Singapore the previous month, and it was feared that this force could attack Western Australia. Reinforcements, including six Royal Australian Air Force flying squadrons, were dispatched to safeguard Fremantle, Perth, and other cities. Other Allied air units were held at Darwin in the Northern Territory.

The main Japanese fleet had been redeployed to Singapore the previous month, and it was feared that this force could attack Western Australia. Reinforcements, including six Royal Australian Air Force flying squadrons, were dispatched to safeguard Fremantle, Perth, and other cities. Other Allied air units were held at Darwin in the Northern Territory.