The rover team has begun using a test rover that does not carry a science payload or robotic arm, as do Spirit and Opportunity on Mars, and the primary engineering test rover at JPL.

• 火星车团队已经开始在没有进行科学有效载荷条件下测试火星车，就像在火星工作的勇气号和机遇号条件一样，以及主要工程在喷气推进实验室测试。