This is the final status report of the TWERLE program, as contract support from Goddard Space Flight Center terminated as of 30 June 1976. A complete summary of all facets of the program are not in this report; it consists of the flight status as of 30 June and four appendices, the most recent of... Show moreThis is the final status report of the TWERLE program, as contract support from Goddard Space Flight Center terminated as of 30 June 1976. A complete summary of all facets of the program are not in this report; it consists of the flight status as of 30 June and four appendices, the most recent of which Dr. Paul Julian presented at teh XIX COSPAR meeting on 10 June 1976. Dr. Julian condensed the TWERLE program in this paper and presented a concise summary of the data. Show less