From the RCS curves I find, it's 20-25dB for both planes in augmentation in the rear aspect. Enough for the F22 to simply not be stealthy from the rear.
As for the F35 supercruise, this is simply wrong. The engine overheats without the afterburner at supersonic speeds and thus supercruise cannot be done for more than a few seconds. Afterburners must be used, but the afterburners in turn damage the RAM.
As for the F35 supercruise, this is simply wrong. The engine overheats without the afterburner at supersonic speeds and thus supercruise cannot be done for more than a few seconds. Afterburners must be used, but the afterburners in turn damage the RAM.
The RAM in the F35 is not actually destroyed by air friction. It's destroyed by the afterburners : https://www.defenseworld.net/news/26992/Swiss_Internal_Repor...
From this one concluded that the F35 cannot sustain Mach 1.2 without using afterburners.
This is actually even worse than not being able to supercruise - it cannot sustain supersonic flight, full stop.