" (...) Which U.S. Agencies might be involved: I can easily identify expertise and capability in the following agencies: 1) NASA (which has a long history of interest in particles and chemistry at the relevant altitudes through its High Speed Research Program and Atmospheric Effects of Aviation Programs, as well as the capability of remote sensing of particles and their radiative impact from space and the surface), (...)" in: House Committee on Science and Technology Hearing “Geoengineering IIe: The Scientific Basis and Engineering Challenges” Thursday, February 4, 2010 Room 2325, Rayburn House Office Building I Written Testimony Dr. Philip Rasch Atmospheric Science and Global Change Division Pacific Northwest National Laboratory Richland, Washington, 99354 page 10 http://www.chemtrails911.com/docs/2010/HearingCharterFeb42010/Hearing_CharterTestimonyRasch.pdf