My son and I witnessed 4 low-flying objects we heard the first and it had no strobes completely black low rumble then another with green lights that didn't blink, then 2 more with multiole lights stobe flying at tree top level all were a triangle shape
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Altoona
USA
2 hours
2 hours
34.07
-86.21
triangle
AL
Occurred : 3/21/2017 21:00 (Entered as : 03/21/17 21:00) Reported: 3/22/2017 8:10:46 AM 08:10 Posted: 3/23/2017 Location: Altoona, AL Shape: Triangle Duration: 2 hours
My son and I witnessed 4 low-flying objects we heard the first and it had no strobes completely black low rumble then another w/ green.