GAO’s reports and testimonies give Congress, federal agencies, and the public timely, fact-based, non-partisan information that can improve government operations and save taxpayers billions of dollars.
Ammonium perchlorate (perchlorate) is a primary ingredient in solid rocket propellant and has been used for decades by the Department of Defense (DOD), the National Aeronautics and Space Administration, and the defense industry in the manufacturing, testing, and firing of rockets and missiles.
The federal government is an important sponsor of math and science education for elementary and secondary school students. GAO identified at least 61 federally funded projects that are designed to improve students' skills in these key areas.
Pursuant to a congressional request, GAO provided information on the potential environmental effects of aviation emissions, focusing on what: (1) is currently known about aviation's contribution to global warming and how aviation emissions, both domestic and global, compare with emissions from other...