Didn't get the memo, looks like.

The Raw Story | Sources: August terror plot is a 'fiction' underscoring police failures:

"The idea that these people could sit in the plane toilet and simply mix together these normal household fluids to create a high explosive capable of blowing up the entire aircraft is untenable," said Lt. Col. Wylde, who was trained as an ammunition technical officer responsible for terrorist bomb disposal at the Royal Army Ordnance Corps in Sandhurst.