WATCH LIVE: Expedition 56 Spacewalk At The International Space Station

The spacewalk will be the 211th in support of space station assembly and maintenance and the sixth station spacewalk this year

NASA astronauts are embarking on a six-and-a-half-hour spacewalk today, Thursday, June 14.

The goal of the spacewalk is to install new high-definition cameras to capture spacecraft docking with the International Space Station, including new American-made spacecraft with scheduled test flights later this year.