Unrealistic open canopies on jets

Open the canopy on a jet at mach one. :-/
Do the real jets allow you to open in flight? I would assume it'll be ripped off from the hinges, smashing the tail plane.
The same for under carriage, I can lower gear at high speeds, wouldn't it be damaged?
Do the real jets allow you to open in flight? I would assume it'll be ripped off from the hinges, smashing the tail plane.
The same for under carriage, I can lower gear at high speeds, wouldn't it be damaged?