Callsigns TESTER & variants TSTR etc are callsigns used by the USN Test Pilot School at NAS Patuxent River.
These are guys learning how to test airplanes and fly them to the limits.
James May from Top Gear in the UK has already built a full-size house out of Lego a couple of years ago.
They are stealing someone else's idea.
R0530909 sometimes uses AZAZ0909 callsign going into Asheville from DC JBA.
C-17 also on the same screenshot PALM62.
Didn't someone have trouble with silent letters in PSALM?
Any biblefags got a clue what is in psalm 62?
Don't know if PALM62 is relevant.
pf ty
Check next line. This seems relevant.
Do not trust in extortion
or put vain hope in stolen goods;
though your riches increase,
do not set your heart on them.