start test mission on dedicated server
log in and execute on the server side:
_tank = "I_MBT_03_cannon_F" createVehicle [0,0,0];
_para = createVehicle ["I_parachute_02_F", playerServer modeltoworld [0,50,0], [], 0, "FLY"];
_tank attachTo [_para, [0,2,0]];
(where playerServer is your player instance on the server probably (allUnits select 0))
look up and observe smoking Kuma