Police attended BAE Systems' Warton site on 29 January after reports that a hole had been cut in a perimeter fence and a hangar door damaged.
Daniel Woodhouse, 29, of Armley Grange Drive in Leeds, and 31-year-old Samuel Walton, of Cromwell Road in Lambeth, south London have been bailed.
They are due to appear at Blackpool Magistrates' Court on 10 July.
Two men have been charged with causing criminal damage at a multinational defence company's plant in Lancashire.