Spy planes are unarmed, they feed telemetry to drone operators thousands of miles away. Screamers 1995 theatrical trailer https://www.youtube.com/watch?v=WksPMueXkP4
It’s time now to make up a conspiracy theory.
Something along the lines of... Russia has recently upgraded their military GPS information and tracking hardware/software and sent a spy plane over DC to reconfirm targeting information for ICBM and obtain hard data for newly accuratized GPS/TOI (Target(s) Of Interest) overlays.