 To do so, all seven blades and the main rotor head is removed, the tail folded, and the helicopter inched slowly into the cabin.The pressure in tires and struts must be lowered and raised at appropriate stages in order to get the main gearbox shaft to clear the overhead while going up the ramp.It is not rare to see the squadron maintaining an operational "home" detachment while supporting two separately located far-flung deployments in other places of the world.