Unlock This Is My Ship Now by killing Captain Keyes on The Pillar of Autumn, then pushing all six invincible avenging Marines into the Autumn observation pen.
This Is My Ship Now is one of Halo: Campaign Evolved’s more mischievous campaign challenges because it asks you to break the normal flow of The Pillar of Autumn. You are not clearing a combat room here; you are setting up a physics trap on the bridge after turning Captain Keyes’ own Marines against you.
Where to start This Is My Ship Now
| Requirement | What |
|---|---|
| Mission | Load The Pillar of Autumn. |
| Recommended start | Use Rally Point Bravo. |
| Difficulty | Pick Easy to reduce incoming Marine damage. |
| Challenge target | Kill Captain Keyes, then trap six avenging Marines. |
| Reward | 10G on Xbox and a Bronze trophy. |
Start from the first mission and use the mid-mission checkpoint setup so you can reach the bridge quickly, get the Magnum, and reset cleanly afterward.
KEY!The achievement is tied to Captain Keyes on the bridge and the six hostile Marines who spawn after he dies. The public achievement list does not attach a patch or version label to it, so treat it as part of the launch achievement set rather than a version-specific unlock.
How to unlock This Is My Ship Now achievement in Halo Campaign Evolved
Load The Pillar of Autumn
Start The Pillar of Autumn from Rally Point Bravo, ideally on Easy.
Get the Magnum
After the cutscene, take control once the game gives you the Magnum.
Return to the bridge
Go back into the bridge/control room where Captain Keyes is standing.
Eliminate Captain Keyes
Kill Captain Keyes with the Magnum or melee attacks to spawn the six avenging Marines.
Pull the Marines forward
Move toward the front of the bridge near the control panels and keep the Marines chasing you.
Line them up near the drop
Use the bridge entrance and front edge to bunch the Marines without letting them scatter too far away.
Push them into the pen
Melee, body-block, and use knockback to slide each Marine into the lower Autumn observation pen.
Check the full group
Make sure all six Marines are inside the pen at the same time.
Wait for the unlock
The achievement/trophy pops once the last required Marine is in the observation pen.
Use melee from the side of each Marine near the edge so the knockback moves them across the lip of the observation pen instead of just pinning them in place.
Marine pushing tips that help
Easy difficulty is the right setting for this because the Marines still hurt you, but their fire is much easier to survive while you work the bridge. Since the six Marines are invincible, stop thinking about damage output and focus only on movement: melee timing, body position, and the direction of knockback are what matter.
If a Marine crouches, wedges against geometry, or stops sliding properly, switch targets for a moment. Reposition around the side of the front bridge area and strike from a better angle so the next hit pushes the Marine toward the drop instead of along the wall.
Mistakes that block This Is My Ship Now
| Mistake | Fix |
|---|---|
| Trying to kill the Marines | Treat them as invincible and use melee knockback to move them. |
| Leaving one Marine outside | Count the group and bring every Marine to the bridge front. |
| Dropping only part of the squad | Put all six Marines inside the observation pen at once. |
| Continuing the mission afterward | Reload or restart after the unlock because killing Keyes breaks progression. |
The unlock condition is strict: the game wants the full group in the pen, not a partial trap or a cleared bridge. Once Captain Keyes is dead, normal mission flow is disrupted, so plan on reloading or restarting after the achievement pops instead of continuing the level.
Skull in the observation pen
The same lower observation pen area also contains a Skull. If you are already dropping into or working around that space for the achievement, grab the collectible before you reset the mission.
Frequently Asked Questions
Can you unlock This Is My Ship Now on Easy difficulty?
Yes. Easy works and is the recommended difficulty because it makes the hostile Marine damage more manageable while you push them around the bridge.
Where is the observation pen on The Pillar of Autumn?
The observation pen is the small lower area beneath the front of the bridge, near the control panels at the ship’s nose.
Can the six avenging Marines be killed?
No. The avenging Marines are treated as invincible for this encounter, so bullets and melee hits are useful for knockback, not for killing them.
How many Marines must be trapped?
You need exactly six Marines in the observation pen for the achievement to trigger.
Do you need to restart after killing Captain Keyes?
Yes, expect to reload or restart after the achievement unlocks, since killing Captain Keyes interrupts the normal mission path.
Video help
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