Here's a sound file from Aireps thread from a few months back where a Delta 767 got intercepted by the two Dutch F-16s
Just go to the link and download the clip.
Kind of ominous to hear the Boeing being called 'the target' - and the 'switches safe' at the end.
http://www.zap16.com/Intercept%20f16%20B767%20Delta.htm