Mach +2.9 at 20km | Mach 1.3 at <100 meters. No XML mods / tinkering; all stock parts.

All-electric atmospheric aircrafts have broken the sound barrier before but are they viable as military aircrafts? Probably, I mean drones exist. Anyways, after minutes of research, Buitenzorg Aerospace Systems is proud to present:

X-21e Thunder Supersonic Electric Aircraft

Powered by 10 motors (1000 RPM, 5000 torque, 145 kW/s) and a total battery capacity of 4ish GJ (about 45 minutes endurance running at full power), the X-21e Thunder is capable of supersonic cruise at low and very high altitudes.

Like most electric-powered planes, it likes to veer and roll to one side. We suggest that pilots manually control the plane during takeoff