GAO Reports – Air Travel as well as Communicable Diseases Air Travel and also Communicable Diseases: Comprehensive Federal Plan Needed for U.S. Aviation Systems Preparedness, GAO-16-127: Published: Dec 16, 2015. Federal Judiciary: Improvements Needed for Collecting Judges Non-Case-Related Travel Information, GAO-16-70: Published: Dec 16, 2015. State as well as Local Governments Fiscal Outlook: 2015 Update, GAO-16-260SP: Published: Dec 16, 2015.