[X] Keep half the Helltroopers on Avernus- good amount of front line troopers on Avernus , provides some elites to Imperial Trust Guard, small boost to Avernus' military reputation
[X] Send three-quarters of Battle Psykers with Imperial Trust Fleet- This will provide a major boost to the invasion force while leaving enough Battle Psykers on Avernus to train the students and deal with Chaos Psykers. Boost to Imperial Trust reputation and Adeptus Astra Telepathica reputation.
[X] Try to take half of Garkill's domain prioritising areas which are most defensive and important for the trusts overall strategic safty and allow for easy taking of the rest of Garkill's domain at a later date.
[X] Do nothing- Avernus will be able to deal with the remaining Orks- Keep the initiative, if you deal with the Orks, boost to Avernus' military reputation (as if it needed any).
[X] Send the entire Helguard- no Helguard on Avernus for offensive operations, provides a large force of super-elites to Imperial Trust Guard, boost to Avernus' military reputation.
[X] Send all the Helltroopers- no front line troopers on Avernus, provides a large force of elites to Imperial Trust Guard, boost to Avernus' military reputation.
[X] Send the entire Helguard- no Helguard on Avernus for offensive operations, provides large force of super-elites to Imperial Trust Guard, boost to Avernus' military reputation.
[x] Keep half the Helguard on Avernus- good amount of Helguard on Avernus for offensive operations, provides some super-elites to Imperial Trust Guard, small boost to Avernus' military reputation
[x] Ask for a bit of help- Delay the fleet leaving for a week so that the elites can assist on the ground and the fleet can provide fire support- This should be long enough to destroy any hordes on the ground and inflict some damage to the strongholds without sacrificing much of the initiative or losing much of the gathered forces.