They better fix their Chally-2 fire-control system first! From all I hear and read about it, it is so exotic and different than anyone else's that everybody could immediately identify it as a typically British design.
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Gaining invisibility - at night.
Oh those Brits. Everybody else would have chosen invisibility at daylight.
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* Ongoing discussion of the C2's fire controls at the eSim forums. Procedure can be tested by everybody from end of year on, when the C2 will become crewable in SBP.