Exhibitors from more than 30 coutnries attended the 14th biennial Defendory show in Athens - highlighting a series of requirements across the nation's armed forces.
The Greek navy is looking for an anti-submarine warfare aircraft and has money budgeted over the rest of the decade to acquire them.
The air force has an emerging requirement for up to 40 multi-role fighters, although uncertainty around the specifications and budget are frustrating for candidate suppliers.
But the service's need for a new trainer to replace its ageing Rockwell T-2 Buckeyes is so pressing that the contenders are jostling for position even before the formal announcement of a contest.
And there was news at the show of the army's plans for its Boeing AH-64A helicopters.
In a series of articles, Craig Hoyle reports from Athens on the way ahead. Click on the links below.
Fighter contenders line up for air force contest
Cash crunch looms for Greek defence ministry
Alenia, EADS and Embraer battle for Greek ASW deal
Advanced jet trainer requirement attracts crowd of bidders
Boeing pushes improved T-45C Goshawk at Greek air force
Greek army seeks funding for Boeing Apache upgrade