The Real News in the Downing Street Memos by Michael Smith

But another part of the memo is arguably more important. It quotes British Defense Secretary Geoff Hoon as saying that "the U.S. had already begun 'spikes of activity' to put pressure on the regime." This we now realize was Plan B.

Put simply, U.S. aircraft patrolling the southern no-fly zone were dropping a lot more bombs in the hope of provoking a reaction that would give the allies an excuse to carry out a full-scale bombing campaign, an air war, the first stage of the conflict.