The letter is a response to a citizen's concerns about the sonic boom study program in Oklahoma City. The Federal Aviation Agency denies claims of personal injuries and lack of public notification about the tests. They explain that the tests were extensively covered in the media and that the St. Louis tests did not result in public opposition. The agency states that the Oklahoma City tests will continue as planned and that they are working on finding solutions to reduce sonic boom effects. They assure the citizen that they will change methods if necessary.