MISSION 20

Escort Orbiter

⚠ Spoiler warning

This page shows the mission's objective, aces, rewards and the missions before and after it, which reveal story events.

Briefing

Operation: Operation Migration Keeper
Date: 04.Feb.2030, 1600
Location: Spring Sea
Weather: Cloudy, Overcast clouds
Objective: Escort the space shuttle transport.

Rank requirements (ACE)

Rank	Minimum score
S	25,000
A	23,000
B	19,000
C	14,000
D	12,000
E	9,000

Time bonus: up to 5,500 points. Full bonus if you finish within 13:40, then it goes down until 17:30.

The game has one set of scores per mission, with no difficulty setting. They match the ACE scores players have reported. Lower difficulties may use the same scores, but this isn't confirmed.

Aces (11)

Points are the enemy's base score in the game files. For squadrons, the points are per member.

Ace	Points	How to unlock the record
Corvus	530–920–940–1,100	Destroy all Shadows aircraft that appear in Operation Migration Keeper.
Ulula	530–920–940–1,100	Destroy 1 of the 6 Shadows aircraft that appear in Operation Migration Keeper.
Picus	530–920–940–1,100	Destroy 2 of the 6 Shadows aircraft that appear in Operation Migration Keeper.
Cygnus	530–920–940–1,100	Destroy 3 of the 6 Shadows aircraft that appear in Operation Migration Keeper.
Hirundo	530–920–940–1,100	Destroy 4 of the 6 Shadows aircraft that appear in Operation Migration Keeper.
Grus	530–920–940–1,100	Destroy 5 of the 6 Shadows aircraft that appear in Operation Migration Keeper.
Tigris	530–920–940–1,100	Destroy all Shadows aircraft that appear in Operation Migration Keeper.
Lynx	530–920–940–1,100	Destroy 1 of the 4 Shadows aircraft that appear in Operation Migration Keeper.
Panthera	530–920–940–1,100	Destroy 2 of the 4 Shadows aircraft that appear in Operation Migration Keeper.
Vulpes	530–920–940–1,100	Destroy 3 of the 4 Shadows aircraft that appear in Operation Migration Keeper.
Periodus	1,940	Destroy the named aircraft that appears in Operation Migration Keeper when at least 1 B-2 is destroyed.