@Gunther@Ryougu.338 Lapua is more than enough. That's perfect. DSG-4A2 sounds good. The big problem with sneaking in is that a simple AI monitors all access points at all times. Unless we could slide in within the three-minute window, maintain perfect camoflage as we enter through the garbage chute, and silence the two engineers in the maintenance bay before they can sound the alarm, the data will still be updated, backed up, sent off to an allied ship or station, and destroyed in a matter of moments. They will likely also be monitoring when the doors open and close. It could be possible to launch the Mech at the garbage chute instead, killing both engineers on depressurization, forcing the troops to respond to the disturbance in the rear of the ship, while our assassin roots through the cargo bay, and the rest of the team moves ahead of the Mech to disable life support.
On a separate note, I'm assuming the DSG-4A2 would be semi-automatic?