Warning that US military power faced new limits and constraints, he said that weaponry, tactics and enemies had overtaken the "familiar contingencies that dominated US planning after the Cold War".
"We have learned through painful experience that the wars we fight are seldom the wars that we planned," said Mr Gates, as he presented the Pentagon's Quadrennial Defence Review and the 2011 budget plan to the Senate armed services committee.
TVNL Comment: The PNAC dream of total war seems to be fading.
