The Federal Government says that Australia is out of date regarding cybersecurity, and the government should be able to penalise companies such as Optus if a data breach occurs.

Prussian strategist von Clausewitz implicitly defined grand strategy in his book On War as the sum of the tools of statecraft. Modern-day China exemplifies this through growing political, economic, technological and strategic power in the Indo-Pacific.

Employees engage in behaviours that can make them the weakest link in any cyber security system.

The data breach includes passports, driver's licences, Medicare, phone numbers, and home addresses.

During the Cold War, the Soviet Union tried to improve its submarine capability by building seven fast (41 knots), deep-diving titanium submarines—however, they were not a success.

The USA developed and supplied the high-octane fuel that gave the Spitfire and Hurricane a winning edge in the Battle of Britain.

Chinese property developers raised massive amounts of money from customers to fund their next construction project. What made it a Ponzi scheme was that builders depended on an ever-increasing number of new buyers to enable them to buy more land and finish existing buildings.

Low pay relative to commercial pilots, too many 'desk jobs', an increase in the retirement age to 67, and a lack of a housing allowance make Swedish Air Force pilots unhappy.

Changing to 100-octane (100/130 aviation gasoline) just before the Battle of Britain increased the speed of the Spitfire by 25-30 M.P.H. at low and medium altitudes and made it equal, or superior, to the German Me 109 at all altitudes.

The proposed acquisition of a further 12 Seahawks is part of project SEA 9100 Phase 1 (Improved Embarked Logistics Support Helicopter Capability) and will bring the total Australian Seahawk fleet to 36.