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For Release: July 18, 1996

Catherine E. Watson
(804) 864-6122

Release No. 96-119

Note to Editors:

Briefing on Two Joint U.S./Russian Space Projects

Researchers at NASA Langley will discuss two joint U.S./Russian space projects at 10 a.m. Tuesday, July 23 at the H.J.E. Reid Conference Center, 14 Langley Blvd. The projects are the Stratospheric Aerosol and Gas Experiment III (SAGE III) that will fly aboard a Russian meteorological spacecraft in August 1998, and the Mir Environmental Effects Payload (MEEP) that is attached to the Russian space station Mir.

The SAGE III instrument is the third in a series of NASA Langley stratospheric profilers. The SAGE II instrument, the precursor to SAGE III, has been measuring stratospheric aerosols and ozone since 1984 and continues to provide important atmospheric data to scientists world-wide. SAGE II has been used to measure the decline in the amount of stratospheric ozone over the Antarctic since the ozone hole was first noted in 1985.

Atlantis (STS-76) astronauts attached the four MEEP experiment containers to the Mir shuttle docking module in April. MEEP is exposing selected and proposed international space station materials to the effects of space and orbital debris. MEEP will remain attached to Mir until late 1997, when the four experiment containers will be retrieved by another space shuttle crew (STS-86) and returned to Earth for study.

Media wishing to attend the briefing should call Catherine Watson at (804) 864-6122.

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