(a) Base Offense Level (Apply the greatest):
(1) 30, if the offense involved intentionally endangering the safety of: (A) an airport or an aircraft; or (B) a mass transportation facility, a mass transportation vehicle, or a ferry;
(2) 18, if the offense involved recklessly endangering the safety of: (A) an airport or an aircraft; or (B) a mass transportation facility, a mass transportation vehicle, or a ferry;
(3) if an assault occurred, the offense level from the most analogous assault guideline, §§2A2.1-2A2.4; or<