NATO exercise "Air Defender 23" will take place from June 12 to June 23. Up to 10,000 soldiers with over 220 aircraft will take part in the exercise.

Civil aircraft will not be able to use German airspace for two hours a day. Air Force promises to keep restrictions on passenger aircraft "as low as possible" If a flight is cancelled due to the NATO exercise, passengers have the right to alternative transportation. If a replacement flight is not available, the airline must organize accommodation in a mid-range hotel.