The Royal Navy works with what the military call Mission Command, which sets out the intent, strategy, resources, contingency and inspiration for any large-scale activity (it actually derives from Nelson's order of battle set out a month before Trafalgar).

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The U.S. intelligence community and special operations forces will continue to wage a vigorous campaign against the remnants of Al Qaeda, but the period of large-scale U.S. military activity in Southwest Asia is coming to a close.

FORBES: The Real Reason We're Leaving Afghanistan

Here we examine the strikingly large global interannual variability of TC ACE during the past 40-years and shed light on the large-scale climate mechanisms responsible for the recent historical downturn in TC activity.

FORBES: Yes, There's A Link Between Hurricane Irene And Global Warming

David Antar of New York-based IPVideo Corporation says video surveillance can be set up to trigger warnings if bags are left unattended or suspicious activity takes place before or during a large-scale event.

WSJ: Bombing probe highlights expansion of surveillance