Meet the drones on show in Paris
20 June 2013 Last updated at 13:12 BST
Alongside the planes and helicopters on show at the Paris Air Show there are also numerous displays of pilotless vehicles.
Many of the latest are designed to carry weapons, and drones are already becoming common tools for surveillance, aerial video and photography.
At the moment, the United States and Israel have a near monopoly on this lucrative market, but European players are trying to get in on the action.
From the air show at Le Bourget, the BBC's Europe business correspondent Nigel Cassidy reports.