Royal Navy – It will take 12 months to repair all of the Royal Navy’s nuclear attack submarines which have cracks in their reactor piping.

• The Times: Nuclear sub repairs will last until next autumn

Royal Australian Navy – The US has threatened to downgrade military co-operation with Australia if European companies obtain an ownership stake in the Australian Submarine Corporation.

• The Australian: US threat to sink strategic alliance

French Navy – The French government has confirmed that the aircraft carrier Charles de Gaulle’s propellers were poorly made.

• Agence French Press: France’s jinxed aircraft carrier: propellers badly manufactured

US Navy – US Navy ships have resumed making short port calls in the Persian Gulf.

• CNN: U.S. Navy ships resume port calls in Gulf