The Swiss Air Force has started having fighters on standby 24 hours a day.
Previously, the nation’s F/A-18s were only available during ‘office hours’.
Two F-18 fighter jets will be operational 24/7 to protect the airspace over the country, the nations armed forces said in a statement.
“From now on, the air police service will be on call 24 hours a day to guarantee the security and the sovereignty over Swiss airspace.”
Local media has also reported that the pilots spent nearly a month practising night-time aerial manoeuvres in Britain.