Air Force Tanker, converted to Vodka delivery into special Kennedy aircraft. Upper rear fuselage large screen for porn and extra "Ted Kennedy" waste holding belly tank.
Extra dorsal fins for stability when Senator Whale moves about aircraft disturbing aircraft CG.
( anyone know what that aircraft is about? My guess, surveillance/radar )
Your guess would be right. It's a Boeing 737 modified with airborne early warning radar, designation "Wedgetail".