A discontinuous multi-overlapped vehicle body member may include a plurality of divided members. A shaft, which attaches to and is coaxial with the compressor section, the turbine section and the fan section, is supported by an air journal bearing and an air thrust bearing. A parallel search through the partitions is performed for an element that could halt the search. The spring-loaded key will engage the side pocket mandrel with a profile matching the pattern on the outer circumferential surface of the spring-loaded key.