planefag spots AF1?

was watching a DHC UV-18B Twin Otter semi-circling Chesapeake Beach shortly after noon and then captured a brief display for AF1 then poof ~ off radar and side bar list!

no coincidences?

AF1 back on radar

Now that was a quick up and down trip ~ didn't get the 'AF1' callsign but makes anons wonder ~ and then poof ~ off radar again ~ did get last of trail ~ looks to be heading back to Andrews AFB