An Indiana National Guardsman was arrested outside Columbus, Ohio, on New Year's Day after a state trooper found nearly 48 bombs and the blueprints for a Navy SEAL training facility inside his car, the Madison County, Ohio, prosecutor told the Columbus Dispatch on Thursday.

Andrew Scott Boguslawski, 43, also had a remote-control device to detonate the bombs, Madison County Prosecutor Stephen Pronai said.

Boguslawski's civilian job is as a groundskeeper at the Muscatatuck Urban Training Center in Jennings County.

He went into the Guard's medical discharge unit in November.

Prosecutors could not say definitively whether the blueprints in his car were for the facility where he worked.

Boguslawski also had a bulletproof vest in his car, Pronai said.

Lt. Col. Cathy Van Bree, a spokeswoman for the Indiana National Guard, said Boguslawski is a specialist in the guard who does intelligence analysis and has top-secret clearance.

Pronai said Boguslawski, who is from Moores Hill, appeared to be heading to Indiana when a state trooper clocked him going 85 mph in a 70 mph zone on I-70.

When the trooper came back to the car to give Boguslawski a ticket, he saw the handle of a gun between his legs.

The trooper ordered Boguslawski out of the car and called for backup. Investigators found three more guns in the car - all loaded - and 48 bombs. They also found material to make more explosives.

Pronai said most of the bombs were small. He said investigators from the federal Bureau of Alcohol, Tobacco, Firearms and Explosives have searched Boguslawski's house, and that local and federal investigators are trying to determine whether Boguslawski planned to attack the military facility. They are also combing through a computer, cameras and GPS found in his car.

Boguslawski is charged in Madison County with one count of manufacturing explosives, a second-degree felony. A court hearing is scheduled for today. He is being held in lieu of a $1 million bond.