OA&T, not sure, could have been the one where I sat in the Fire Section all booted and spurred for 12 hours a day until reality kicked in and we reasoned that we would have 45 min warning for our task so just laid back and let it wash over us.
On Helicopter intrusion, we were at Binbrook with the Shack, and as with the Shack things got well behind the drag curve and our intrusion went well into dark.
As it was wrapping up one of the distaff came and whispered sweet words in our ears. Listen he said, a 22 sqn Sea King is going to do an insertion of studes from Finningley.
Anyway the Blue Thunder whisper machine slipped silently over the boundary in pitch dark. Intruders dropped off it roared skywards and then went hopping around the airfield with further spoof drop offs. The SRF was run ragged.
My brother-in-law, then a junior techie, confessed he just about sh^t himself.
Good fun had by all