Abstract: A vehicle sliding door assembly for selectively covering a bulkhead transit passage. The assembly includes a first door panel slidable between a first door closed position and a first door open position. A second door panel is slidable between a second door closed position and a second door open position. The first door panel includes a first door leading edge and a first door following edge. The second door panel includes a second door leading edge. The first door following edge engages the second door leading edge moving the doors in concert from the open position to the closed position. The first door leading edge engages the second door leading edge moving the doors in concert from the closed position to the open position.