Callsign: STING38
Calm Before the Storm?
Things get even more interesting the next day, when the aircraft in question, under the callsign "STING38,' flew a mission from Santa Maria far out into the SOCAL Range Complex.
This area, which sits off the Baja Peninsula and San Guadalupe Island, is associated with long-range missile tests and carrier strike group workups.
https://www.thedrive.com/the-war-zone/34084/the-mysterious-case-of-the-air-forces-new-strangely-modified-737