Air Force Academy Chapel – Protestant Chapel Posted on December 25, 2016 by kwschnei The 150 foot tall Cadet Chapel is the most distinctive feature on the grounds of the United States Air Force Academy in Colorado Springs, CO. The upper floor of the chapel, with a 99 foot pinnacled ceiling is the Protestant Chapel. The chapel seats 1,200 and the pews are designed such that the end of each pew represents a World War I airplane propellor. The backs of the the pews resemble the leading edge of a fighter wing.