JASDF junked half a dozen of F2B trainers by tsunami in 2011.
They were watching the tsunami coming for an hour on the roof doing nothing.
School master excused "I heard it was only half an hour before the wave coming and we had no enough time to check the 3,000 meters long runway to let trainers fly to evacuate". The F2B needs only 300 meters to take off !
The King's Own Calgary Regiment (RCAC) - armoured reconnaissance
Churchill Infantry Tank Mk. IIIs of C Sqn, 14th Army Tank Regiment (The Calgary Regiment (Tank)) on parade in England, July 1942. (Library and Archives Canada Photo, MIKAN No. 3404613)
Mitsubishi wanted to develop its original plane for F-2 with the canard wing but the government requested Mitsubishi to develop based on F-16 to make the costs double. Half of the budget was royalty for Lockheed Martin