Just flew across the central third of the US today (about 930 mi) with a bit of weather diversion) on a single leg, and heard what sounded like the same guy say “On guard” three times while I was monitoring 121.5 when I wasn’t doing anything else over the 3.5 hr flight.
Radio works fine, never heard any other Guard transmissions, center didn’t seem to be looking for anybody.
(Truly, the biggest reason I monitor [other than regs] it is to help center find the RJ’s that miss their handoffs)
Should we consider the term “Radio Karens”?