A series of test rocket firings has been conducted during the past 18 months to establish the operational feasibility of numerous rocket systems for meteorological observations. As might be expected, the most desirable systems from the point of view of instrumentation are generally not the most desirable from that of the rocket-firing problem. It has been demonstrated, however, that a reasonable observation schedule can be accomplished by the judicious application of currently available rockets and sensors. The most variable of high-atmosphere meteorological parameters is the flow. Chaff was used initially for rocket wind measurements because it could be expected to provide a suitable indication of the wind in the atmosphere above balloon sounding levels. It is easy to package and deploy. Most of the available high-atmosphere wind data have been obtained through use of a chaff sensor, and it is still most applicable for point measurements and at very high altitudes. The need for a more coherent sensor and a vehicle capable of transporting a telemetry system to provide for the measurement of other parameters has resulted in the development of a parachute system. Although an altitude range problem will always be encountered, it is possible to obtain data from approximately 200,000 ft. to the surface through the application of a single parachute and balloon combination. Launch and flight characteristics of the tested rockets are presented for use in applying this new observational technique. Careful adherence to the design and operational restrictions indicated by these data will result in savings in the effort required for development of the various desirable measuring techniques. Experience to date indicates that it is possible, with available equipment and a reasonable expenditure of effort, to obtain profiles of several meteorological parameters from the surface to altitudes of the order of 200,000 ft.