A service member here addresses a question to U.S. Secretary of Defense Robert Gates, June 5. Gates stopped at Dwyer during his farewell tour of Afghanistan. He is slated to step down from his post this month. - A service member here addresses a question to U.S. Secretary of Defense Robert Gates, June 5. Gates stopped at Dwyer during his farewell tour of Afghanistan. He is slated to step down from his post this month.