I talked to the pilots on Monday, their minimum ceiling was 2500, they got vectors to 2000 but ceiling was around 1000, so they flew over at ~2000. You could hear them but not see them (isn't that just like a stealth?)
I photographed them on Tuesday when 2 of 3 departed, but it was first light and the pics are crap. carswell_dude on fencecheck.com shot them upon arrival on Friday, check page 12 of
this thread