Mostly pilots of planes that ended up in Switzerland. Without GPS or mid-air refueling that did happen a lot. Swiss neutrality meant shooting at any military that entered their territory, no matter which side they were on, and taking anyone who surrendered captive.
Anything else could be seen as helping one side or the other, which wouldn't be very neutral. Not that they were always above helping them in non-military ways
Anything else could be seen as helping one side or the other, which wouldn't be very neutral. Not that they were always above helping them in non-military ways