Royal Marines – More on the Royal Marines of 45 Commando as they prepare for battle. Their deployment is called Operation Jacana, their mission is to hunt for Mullah Omar.

• Daily Telegraph: The men who will take the mountains
• Sunday Times: Britainís elite commandos lack the right altitude to take on Al-Qaeda
• Sunday Times: Action stations???but at what cost?
  

• Daily Telegraph: Blair told: expect 20 Marines to be killed

US Navy – A history of the Global Positioning System (GPS), including the key role played by the US Navy with its Transit navigation satellites.

• Economist: Accuracy is addictive

Background – Nuclear Weapons – Sir John Keegan on why the US and UK are modifying their strategies for the use of nuclear weapons against rogue states.

• Daily Telegraph: A nuclear threat – Labour’s biggest surprise so far

Background – Iraq – An air campaign targeted against the ultimate mobile target – Saddam – will have great difficulty in succeeding.

• Daily Telegraph: Simpson on Sunday: Saddam, the elusive dictator, won’t be beaten by bombs