the player must keep the offending ship disrupted with D-Missiles for 30 seconds or so until the rest of the convoy clears the potential blast radius. In the scenario, the ship must be instantly, entirely incapacitated (either EMP or D-Missile), or those onboard will realize they have been caught and blow the ship.
Crew 1: "Hey, something just short-circuited. What happened?"
Crew 2: "Dunno, it's old piece of crap anyway. Stop bothering me and let me eat my sandwich in peace."
Crew 1: "Right right. ...Asshole."
Crew 3: "I think something just impacted our hull... wait, the ship is losing speed and I can't steer."
Crew 1: "Another dial just short-circuited. Are you sure we're okay?"
Crew 2: "*snores*"
Crew 4: "I just looked out the window and the other convoy ships are moving away from us."
Crew 3: "Huh? You should have your eyes checked mate."
Crew 1: "Seriously guys? Anyone else think we may have been found out?"
Crew 2: "*snores*"
Crew 4: "Nah, I think we just smell a bit."
Crew 3: "There's that noise again. Screw it, I'm hitting the toilet."