Part 29: Extras for Flight From Covenant
Extras - Mission Images
The unused pre-mission image shows us meeting up with Mauriac's group before heading out of the city.
The defeat screen is the same as the one for Homecoming.
Extras - Units
The Myrmidon unit has a "block" animation, but in the final version of the game it doesn't have the ability to block & so you won't ever see this: