Back during the 1950s, NAA built a series of supersonic Vigilante bombers for the US that carried a massive nuclear bomb in the centre fuselage. The bomb launched out the tail, between the exhausts of a pair of jet engines. Launching from the tail allows tiny bomb-bay doors.
For a different mission, NAA's OV-10AM Bronco were primarily designed as forward air controllers (aka. Bird-dogs or Ravens) but could also carry a few parachutist a sitting in the central fuselage. If they needed to deposit a ground-pounding FAC team on the battle-field for a few days, they would leave the tail at home base and sit the FAC team in the center fuselage. Sitting with a rucksack on your knees may not be comfortable, but it is half as much work and standing up and carrying that rucksack out of a C-130! Over the DZ, the Bronco would pull up into a steep climb and gravity would dump the para-FACS out the back.