A crane lifts the Crew Access Arm and White Room for Boeing's CST-100 Starliner spacecraft for mating to the Crew Access Tower at Cape Canaveral Air Force Station's Space Launch Complex 41 on Aug. 15, 2016.  Astronauts will walk through the arm to board the Starliner spacecraft stacked atop a United Launch Alliance Atlas V rocket.  Credit: Ken Kremer/kenkremer.com
{}