. . "Jeffrey Umland"@en . "Jeffrey Umland is the Chief Mechanical Engineer of NASA's InSight mission. He previously served as the Chief Mechanical Engineer of the Curiosity Rover at NASA's Mars Science Laboratory."@en . "Jeffrey Umland is the Chief Mechanical Engineer of NASA's InSight mission. He previously served as the Chief Mechanical Engineer of the Curiosity Rover at NASA's Mars Science Laboratory."@en . . . . . . .