The first manned flight to Mars returns after having been out of communications since it had arrived on Mars. What would it reveal?
1959-11-23
1954-11-03
1955-04-24
1999-12-25
1984-06-08
1990-06-15
1998-05-20
2006-07-27
1972-09-16
2021-07-28
2007-06-13
2002-08-02
2017-09-22
1981-01-01
2007-11-29
1966-01-01
1986-04-11
2021-10-12
2004-04-20
1989-08-25
1987-03-01