A new study by the Swiss Ministry of Defense is proposing options to buy up to 70 new fighter aircraft or buy as few as 20.
By Konstantin von Wedelstaedt [GFDL 1.2 or GFDL 1.2], via Wikimedia Commons
The most expensive option would cost $15.3-$18.4 billion and includes ground-based air defense systems.
The panel suggests that the government make a decision by 2020.