duff. >> reporter: china is one of three countries that have launched missions to the red planet that's summer with nasa's perseverance landing on mars in february. the hope spacecraft launched by the uae is orbiting the planet but not designed to land. in addition, nasa's curiosity rover has been on the ground since 2012, making for a lot of competition in this next frontier. michael holmes, cnn. good morning, and welcome to your new day. i'm boris sanchez. >> and i'm christi paul. there's a lot of confusion. our doctor is answering your questions this morning. a georgia congresswoman doubling down as she compares a mask mandate to the holocaust. plus, strange symptoms coming from a mysterious weapon. hear from a former cia officer who's fighting havana syndrome.