It was a strong turnout from Defence to mark World Mental Health Day.
It was a first-hand experience on a submarine for senior public servants.
Army used Shark Tank-style pitches to find innovative concepts.
Young Naval officers leapt at the chance to try some emerging technology in Sydney.
Thousands gathered to see the exciting debut of the Air Force’s new PC-21 Roulettes team.
NUSHIP Sydney's sea trials also mark a unique milestone for the Navy.
The first of a fleet of new combat reconnaissance vehicles for the Australian Defence Force has been unveiled.