"The New Zealand Army is among a growing band turning to open
source operating system Linux, using it to stage virtual
combats."
"The Army's simulation centres in Trentham and Linton run United
States Linux-based Janus military software, which allows soldiers
to simulate military battles for training and exercises...."
"In September, another 10 Dell workstations needed to be
configured because of a joint military exercise held with the
Singapore Armed Forces in New Zealand, a task LinuxNet had less
than three days to complete, as well as upgrading the entire
installation with a new release of Janus that had to run on a newer
version of Linux."