One day his father asked him to join him on a mission to earth, an offer which he accepted.

Bakhmetev persuaded Karpovich to join him on a "special mission" to America as his personal secretary.

James is joined on a new mission by Dave Moss and his sister Lauren Adams.

I seem to recall you once joined a commando squad on a mission into Romulan space to steal a prototype vessel?

"Joe and I," he said, in measured words, "are asking each of you to join us on a dangerous mission."

"I can't expect anyone to join me on such a harebrained mission."

I'm looking for someone who is able to join me on a mission sometime?

There's been an emergency, and you may have to join the Enterprise saucer section on a mission.

He then has Sawyer join him on a mission to leave the island.

The host then reveals himself to be Colonel Geraldine and invites Rich to join him on a secret mission.