Today's rehearsal, due to take place at about 4:15 PM, aborted at the very moment the planes were about to enter Brussels area, because of violent rains and thunder storm starting at the same moment. Planes involved (Radarbox) were : 3 X A.400 (CT-06 - CT-07 - ??) F-16 (FA-56, FA-117, FA-119) 2 x S...