Which sentence uses the word mission as a direct object?

Question

During what mission did the astronauts ride in the shuttle Challenger?

Sally Ride’s mission to retrieve a test satellite was successful.

On her mission, Sally Ride launched two satellites.

Which mission did Sally Ride fly for NASA?

Answer 1

The sentence that uses the word "mission" as a direct object is:

Sally Ride’s mission to retrieve a test satellite was successful.

In this sentence, "mission" is the direct object of the verb "was."