Technically all Arma 3 screenshots have been pre-E3, but these ones are the most pre-E3. Or are they the least? Whatever the semantics, here's a gallery of tactically telling pictures, taken both from the full game and the upcoming beta.
For more on Arma 3, Bohemia are holding a "Pre-E3 live hangout" stream tomorrow, June 8 at 17:00 UTC. They're planning to play through the Combined Arms mission of the beta, and briefly show Atlis, the game's main island. You'll be able to watch the livestream through the Arma 3 Twitch.tv channel.
For the latest from E3, check out our complete coverage.