From the website:
The Lockheed Martin IMAX Theater is currently closed as part of the National Air and Space Museum transformation. The Lockheed Matin IMAX Theater features one of the largest IMAX screens in Washington, D.C. Strap into the cockpit of some of the most advanced aircrafts or take a walk through space. Our giant screen provides a truly immersive and one-of-a-kind experience with