He works quickly, but it's a simple matter to break open the steering column of each boat, and smash a few wires. These won't be going anywhere, without a few repairs, though someone skilled might be able to jury-rig them back together.<br/><br/>His sensors indicate a large group of people at the crew section of the ship, about twenty of them, altogether, though it's hard to tell, with another four spreading out around the ship. It seems their approach wasn't entirely unnoticed, and the sentries have deployed to find them.