Battleship

Fast vehicle cheat:
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This cheat only works when absolutely nothing of
your army (that includes islands, merchant fleets,
oil rigs etc.) is on enemy radar.
1. Set a waypoint for one of your ships (or subs,
  jets, AWACS) to follow.
2. Go to Continue Play.               
3. Press s
4. “Fast” should be displayed.
5. The thing you sent on its mission will move very
  quickly until it is spotted on enemy radar.
If the cheat does not work, try typing carryes instead
of just s. Be sure not to be on enemy radar.