![NASA astronaut Tim Kopra changes the brine filter on the Urine Processing Assembly aboard the International Space Station January 25, 2016 in Earth Orbit. The UPA is used by the crew to NASA astronaut Tim Kopra changes the brine filter on the Urine Processing Assembly aboard the International Space Station January 25, 2016 in Earth Orbit. The UPA is used by the crew to](https://c8.alamy.com/comp/FDB7AB/nasa-astronaut-tim-kopra-changes-the-brine-filter-on-the-urine-processing-FDB7AB.jpg)
NASA astronaut Tim Kopra changes the brine filter on the Urine Processing Assembly aboard the International Space Station January 25, 2016 in Earth Orbit. The UPA is used by the crew to
![NASA astronaut Tim Kopra (foreground), Expedition 46 flight engineer and Expedition 47 commander;..., Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-141326 | agefotostock NASA astronaut Tim Kopra (foreground), Expedition 46 flight engineer and Expedition 47 commander;..., Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-141326 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/0cfd58c82b4dd71b3c558ffccff3d23c/gxc-jmh-jf-141326.jpg)
NASA astronaut Tim Kopra (foreground), Expedition 46 flight engineer and Expedition 47 commander;..., Stock Photo, Picture And Rights Managed Image. Pic. GXC-JMH-JF-141326 | agefotostock
![File:ISS-47 Jeff Williams, Tim Kopra and Tim Peake in front of BEAM's entrance.jpg - Wikimedia Commons File:ISS-47 Jeff Williams, Tim Kopra and Tim Peake in front of BEAM's entrance.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/b/b9/ISS-47_Jeff_Williams%2C_Tim_Kopra_and_Tim_Peake_in_front_of_BEAM%27s_entrance.jpg)
File:ISS-47 Jeff Williams, Tim Kopra and Tim Peake in front of BEAM's entrance.jpg - Wikimedia Commons
![Leadership and Ethics: Military in Business Speaker Series with Tim Kopra '13 | Sanford Bernstein Center Leadership and Ethics: Military in Business Speaker Series with Tim Kopra '13 | Sanford Bernstein Center](https://sanfordbernsteincenter.org/sites/default/files/civicrm/persist/contribute/images/Tim%20Kopra%20Headshot.png)
Leadership and Ethics: Military in Business Speaker Series with Tim Kopra '13 | Sanford Bernstein Center
![Astronaut Tim Kopra, member of next shuttle crew, injured in bike mishap | STS-133, International Space Station, Space News, Space Shuttle Astronaut Tim Kopra, member of next shuttle crew, injured in bike mishap | STS-133, International Space Station, Space News, Space Shuttle](http://www.cbsnews.com/network/news/space/133/graphics/kopra3.jpg)