No, Jets.
You hear the rumble getting louder and louder then all of a sudden it's a roar going through the house.

I think the first one must have been more than one jet cos it went one forever. I went out of the house to see if I could see it.
( Maffers I flow kinda strange like Spina Bifida footprints, Thu 7 May 2009, 22:48, archived)