Washington (CNN) Three Florida men have been arrested and charged with conspiring and attempting to provide material support and resources to ISIS, the Department of Justice announced Friday.

One of the men, Gregory Hubbard, 52, of West Palm Beach, was arrested Thursday at Miami International Airport as he allegedly prepared to join the fight for ISIS overseas, the department said in a statement.

Hubbard told an undercover FBI operative that he wanted to travel to Syria "for the purpose of engaging in violent jihad," according to the Justice Department. He introduced the FBI source to Darren Arness Jackson, 50, of West Palm Beach, and Dayne Atani Christian, 31, of Lake Park.

Jackson and Christian then allegedly provided weapons and firearms instruction to Hubbard and the source and expressed a desire to join ISIS, authorities said.

Hubbard purchased a ticket for a flight to Germany, where he planned to catch a train to Turkey and then head to Syria, but was arrested at Miami International Airport.

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