Washington Dulles International Airport 1980s the original design, featuring mobile lounges to meet each plane, was no longer well-suited to Dulles' role as a hub airport. Instead, midfield concourses were added to allow passengers to walk between connecting flights without visiting the main terminal. Mobile lounges were still used for international flights and to transport passengers between the midfield concourses and the main terminal. An underground tunnel (consisting of a passenger walkway and moving sidewalks) which links the main terminal and Concourse B was opened in 2004. The Metropolitan Washington Airports Authority (MWAA) began a renovation program for the airport including a new security
Avery Dulles of Notre Dame, the Catholic University at Leuven, Yale University, and St. Joseph's Seminary, Dunwoodie. He was the author of over 700 articles on theological topics, as well as twenty-two books. In 1994, he was a signer of the document "Evangelicals and Catholics Together." Past President of both the Catholic Theological Society of America and the American Theological Society, and Professor Emeritus at The Catholic University of America, Dulles served on the International Theological Commission and as a member of the United States Lutheran/Roman Catholic Dialogue. Dulles was critical of dual-covenant theology, especially as understood in the U.S. Conference of