The inflatable test facility, known as a Bigelow Expandable Activity Module, or BEAM, will launch aboard a SpaceX cargo resupply mission to the ISS in 2015.

FORBES: NASA Expanding ISS With Bigelow Aerospace Inflatable

Astronauts will test the ability of the bladder, known as the Bigelow Expandable Activity Module, or BEAM, to withstand heat, radiation, debris and other assaults.

NPR: Space Station To Get $18 Million Balloon-Like Room