That's the second person today who saw what I was imagining.  As Womble chased my fleeting thought, I wondered if he thought it was an attacker, or if he just thought it was as inappropriate as I had assessed.  
"No matter" I concluded, "it's gone now.  Maybe we should find some cover, in case the barrier doesn't protect us from above."
NOTE TO SELF: Keep your thoughts to yourself.  Especially the fantacies.  <img src="/ubbthreads/images/graemlins/badsmile2.gif" alt="" />