This image is a derivative work of the following images: File:ISS_impact_risk.jpg licensed with PD-USGov-NASA 2010-06-18T00:21:16Z Ras67 403x319 (141136
Federal Register 2000-11-06: Vol 65 Iss 215 ( ) Title Federal Register 2000-11-06: Vol 65 Iss 215 Volume 65 Publisher Federal Information & News Dispatch