OTTAWA - The 2011 Arab Spring uprising in the Middle East came as a surprise to the Canadian government, which risks getting caught off-guard again without a new approach to gathering intelligence, an internal government report says. Among other developments, analysts underestimated the repercussions of regime change in Tunisia, the Egyptian military's efforts to control dissent and the duration of the civil war in Libya, says the assessment of how well the Privy Council Office did in keeping an eye on the Middle East two years ago.

A man who claimed in a widely publicised documentary to be an American soldier, missing since his helicopter was shot down during the Vietnam War, is actually Vietnamese, the US said Thursday. "Unclaimed", directed by Michael Jorgensen, which has generated an explosion of interest since its premiere this week, purports to have discovered US serviceman John H. Robertson -- alive, well and living in the communist nation.

AIR FORCE ACADEMY, Colo. - The U.S. service academies are ramping up efforts to groom a new breed of cyberspace warriors to confront increasing threats to the nation's military and civilian computer networks that control everything from electrical power grids to the banking system. Students at the Army, Navy and Air Force academies are taking more courses and participating in elaborate cyberwarfare exercises as the military educates a generation of future commanders in the theory and practice of computer warfare.

Anti-war campaigners opposed to Britain's use of armed drones in Afghanistan on Saturday marched on a military base that this week began hosting the aircraft's human operators for the first time. Royal Air Force (RAF) pilots had been operating Reaper aircraft to support British troops fighting the Taliban in Afghanistan remotely from a base in Nevada in the United States. But this week the operations were relocated to Britain for the first time, to RAF Waddington in Lincolnshire in eastern England, the Ministry of Defence said.