explain, and even the navy probably doesn't even know what they are, but i would bet, my guess, they're classified aircraft programs. and if you look at the history of these kinds of things, there have been weird sightings since way back when, and later on, we might discover when something is unclassified, it was indeed a classified air force military program. and a good example, i was flying one day when i was back at nasa years ago and i was flying with a senior astronaut, and he said, oh, look at that. we looked at something odd flying around. he said, you know, back in the 1960s, i saw a contrail way above me that was pulsing and it was going so fast, it must have been flying at a mach number. later on it turns out we were doing research on high-altitude