An airborne vehicle having a wing-body which defines a wing-body axis and appears substantially annular when viewed along the wing-body axis, the interior of the annulus defining a duct which is open at both ends. A gas seal between the housing of the mass spectrometer and the transfer line body prevents vacuum leak when the transfer line body is moved. This example of the method further includes selecting at least one identified LUN, and assigning the at least one selected LUN to the requesting device. The remote control signal may come from an escort aircraft. In particular, the present invention provides compositions and methods for inhibiting cancer metastasis by inhibiting cyclin A1. According to the invention, the thrust spring device loads the carrier ring on the positions closely adjacent to the stops.