From the moment the mission began in 2013, the women and men working on what would become NASA's Perseverance Mars rover knew they'd encounter unexpected challenges on their way to Mars. After all, no NASA mission to the surface of the Red Planet has done otherwise. But with its launch period opening on July 17, the team, like much of the rest of the world, is pushing forward with its mission-critical work while putting the health and safety of their colleagues and community firs
