The AEC undertook the achievement of these new capabilities beginning in FY-1969, and in the case of NVOO, these efforts were reflected principally in: (a) technical support to the AEC Laboratories in design of high-altitude instrumentation systems, (b) engineering and/ or design of modifications to diagnostic aircraft to achieve a highaltitude capability, (c) development and fabrication of Tamarin instrumentation, and (d) designiconstruction of the required scientific