Just as bogus as those "Chinese missile launch" idiot posts back when.
Weird atmospherics and airliner contrail, heavier than normal. Add in late afternoon lighting and you get airhead panic...............
Yep, the infamous SoCal “Chinese Sub Missile Launch” (similar sunset reddish look and perspective distortion): http://contrailscience.com/los-angeles-missile-contrail-explained-in-pictures/
Agree. Airline contrail at sunset. Pretty.