In a few days, ESA’s fourth European Service Module will leave the integration halls of Airbus in Bremen, Germany, setting sail across the Atlantic Ocean in the next step of its journey. The module will propel NASA’s Orion…

In a few days, ESA’s fourth European Service Module will leave the integration halls of Airbus in Bremen, Germany, setting sail across the Atlantic Ocean in the next step of its journey. The module will propel NASA’s Orion…