Q1: What was the RKV? A1: The RKV was MDA’s previous program to upgrade the GMD kill vehicles, which are the part of the GBI designed to collide with the target warhead. The current Exoatmospheric ...

Panda Bao Li eats bamboo at the Smithsonian National Zoo in Washington, D.C., on Jan. 28. The zoo, as well as other Smithsonian facilities, will be closed beginning on Oct. 12 as the government ...