Table of Contents

Preface; Environmental Satellites: Focused Attention Needed to Mitigate Program Risks. Statement of David A. Powner, Director, Information Technology Management Issues (GAO), delivered at the Hearing on "Continuing Oversight of the Nation's Weather Satellite Programs: An Update on JPSS & GOES-R"; Geostationary Weather Satellites: Design Progress Made, but Schedule Uncertainty Needs to be Addressed; Polar-Orbiting Environmental Satellites: Changing Requirements, Technical Issues, & Looming Data Gaps Require Focused Attention; Index.