An amendment numbered 84 printed in Part A of House Report 115-650 to require a study on possible funding options for a potential federal grant program for spaceport activities. Requires a report on a National Spaceports Policy which evaluates the national security and civil space launch demands; proposes policies designed to ensure a robust and resilient orbital and suborbital spaceport infrastructure; reviews the development and investments made by international competitors; and other aspects. Establishes an Office of Spaceports within the FAA to support, promote, and enable infrastructure improvements at FAA-licensed spaceports in the U.S.