As you enter the ship, you'll face a group of mercs. Find some shadows and start plugging them. There should only be about four.
Bounty! Head to the back of the room on the right side. Climb the crates in the back. Bounty Card 10 is there.
Find the door on the side wall. Use the console to open it. Use the nanomed machine to the right and the intercom to the left.
When the door finally opens, head left. Go through the door there and start killing the mercs that are dealing with the drones. There are a couple on the upper level. When that's done, find the door and use the panel to get through. Take the elevator to the top. Only one door is open.
Bounty! Pass the Alpha Drone control station and to to the wall to the left, on the right side of the equipment. Shoot out the window. Inside is Bounty Card 60. Go back to the control station and jack in.
Achievement Alert! You get the Control an Alpha Drone Achievement just for stepping into the machine.
Head down the hall with the Alpha and start murdering the mercs you come across. There's not really much strategy. This is just like the other times you controlled other units, such as the mech and the standard drones.
Keep moving until you come to a firing range and a dead end. You'll hear Lynn calling to you. Find her in a vent to the left and take her with you.
Head back the way you came. Take out the large groups of mercs with your rockets by using Left Trigger. They're relative pushovers.
Follow Lynn's instructions to reach another vent and drop her off. After you're out of the Alpha Drone, head to the locked elevator lobby door for the final fight.
Revas is outfitted like a mech, but she's a much faster, smaller target. Toss whatever weapon you're using and equip the SCAR gun.
Keep away from Revas as much as possible. That way, you'll avoid her machine guns, which are powerful at close range. Instead, she'll lob rockets your way, which are fast but not insurmountable. Try to keep the various objects in the room between you and her when she stops to fire.
Star by plugging a SCAR round into the yellow button behind Revas. Blow it to open the door on an elevator shaft behind her.
Try to plug Revas with SCAR rounds whenever you have an open shot, but down blow them. If you can hit her in the feet or near the ground, all the better.
When she gets into the center of the room at the back, near the door, blow the SCAR rounds. You should be able to knock her down. Do this quickly so she doesn't have time to move, and also to prevent her from changing direction and falling sideways.
Blasting the SCARs will cause Revas to fall down backward toward the elevator shaft. When that happens, tag her in the kneecap area again before she has a chance to get back up.
Explode Revas until she falls backward into the elevator shaft and you'll win the battle. After a cutscene, the game ends.