Complex sentence: New York Fire Marshals often receive special training at the FBI academy in Quantico, Virginia, as well as attending investigative classes conducted by the NYPD and explosives training classes sponsored by the federal government in Socorro, New Mexico.
Split into simpler sentences: New York Fire Marshals often receive special training at the FBI academy in Quantico, Virginia, as well as attending investigative classes conducted by the NYPD. Marshals also are now attending federal explosives training classes sponsored by the federal government in Socorro, New Mexico.