After two years, once again will be held open the door 21. the base of the tactical air force in Čáslav. This already traditional event held every two years, is aimed at presenting not only the čáslav base, to attend also the other units of the Army of the CZECH republic. Essential part of are dynamic examples of primarily military aviation technology, it is so partial about the air show. The accompanying programme will be part of the whole day. This year's open Day will be held 20. may 2017..