As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON DEPARTURE AND CLIMB OUT, THE PILOT AND MEDICAL CREW ALL SMELLED RAW FUEL FUMES THOUGHOUT THE CREW AREA AND CABIN. THE PILOT IMMEDICATELY TERMINATED THE MISSION AND RETURNED TO THE BASE. THE MECHANIC ARRIVED AND PERFORMED VISUAL, GROUND OPS CHECKS, AND FLIGHT CHECKS WITH NO DUPLICATION TO THE DISCREPANCY. THE ACFT WAS THEN RETURNED TO SERVICE.