From Halopedia, the Halo wiki
Mission begins with the Master Chief standing next to Echo 216.
If John-117 doesn't immediately board Echo 216:
If the Chief starts exploring the rest of Outpost Tremonius:
If the Chief wanders around some more:
If the Chief still doesn't board the Pelican:
John-117 boards the Pelican.
The Weapon turns to him.
Before John-117 can reply, the Pelican starts to tremble.
Both the Chief and the Weapon are momentarily distracted, but their conversation quickly resumes.
The Pelican trembles again.
The Weapon dematerializes.
John-117 spots the large armored structure the Pilot mentioned.
The Pelican shakes ominously as it starts to descend.
Not waiting for the Pelican to set down, the Master Chief jumps out of the troop bay. Scene switches to the Chief's POV as he lands in an open field.
Echo 2016 leaves the area.
John-117 starts heading towards the Tower. He soon comes across a captured UNSC FOB.
The Master Chief kills the Banished troops guarding FOB Golf.
John-117 uploads the Weapon to a UNSC terminal, bringing it back online.
Player's TACMAP is initialized.
FOB Golf now registers as being under UNSC control on the TACMAP.
Nearby targets and locations appear on the map.
Ransom Keep's location is highlighted on the map.
Okro 'Vagaduun's position is highlighted.
The location of a nearby Spartan core is highlighted.
After the player disengages the TACMAP:
John-117 heads out to investigate the signal.
Mission carries over into The Tower.
The following achievements can be unlocked on Recovery across the all editions of Halo Infinite.