The traditionally neutral Swiss army staged an unintended invasion of Liechtenstein in early March.
A company of 171 troops blundered two kilometres into the neighbouring principality before realising the mistake and heading for home.
The troops were on a routine training exercise in a dark forest when their commander led them the wrong direction across an unmarked section of the border. Weather was bad, and "it was all so dark," said a soldier in an interview with the tabloid Blick.
Liechtenstein authorities made light of the intrusion, saying they learned of it...