A system is provided for processing data for surveillance bank cards. A common rail supplies fuel at an intensified pressure to the fuel injectors and receives the fuel at the intensified pressure, alternately, from at least two fuel pressure intensifying circuits. Axial displacement of the clamping means relative to the head, e. A vent is located between the first and second resealable zones to allow displacement of fluid from the containment region via the vent. An aperture for dispensing the countermeasures is arranged in the wall of the aircraft fuselage. One embodiment comprises a cage or net made of a flexible material, the cage or net being adapted to receive one end of an elongated member.