A Muslim-American man from Massachusetts is expected to plead guilty in federal court in Boston in an alleged plot to fly remote-controlled model planes packed with explosives into the Pentagon and U.S. Capitol.

Prosecutors and defense lawyers said in a plea agreement filed last week that Rezwan Ferdaus of Ashland will plead guilty Friday to attempting to provide material support to terrorists and attempting to damage and destroy federal buildings by means of an explosive. Prosecutors have agreed to dismiss four other charges.

The two charges could carry a combined 35 years in prison, but the attorneys have agreed to request a 17-year sentence for the 27-year-old, who has a physics degree from Boston's Northeastern University.

Ferdaus was arrested last year after federal employees posing as al-Qaida members delivered materials he had allegedly requested, including grenades, machine guns and what he believed was 24 pounds of C-4, a plastic explosive.