Here is the full list of all 16 Air Conflicts: Pacific Carriers achievements worth 1,000 gamerscore.
Complete both IJN Campaigns
Hit a moving ship with a torpedo
Sink 5 destroyers in campaign game mode
Hit a manoeuvring ship with a torpedo
Complete both USN Campaigns
Sink a carrier in campaign game mode
Successfully land on carrier at mission’s end
Reach maximum experience with any pilot (255).
Sink 20 ships in campaign mode
Shoot down 100 enemy planes in campaign mode
Perform 3 kills in row in MP
Place in top half in multiplayer match with at least 6 players
Place first in multiplayer with at least 6 players
Play 15 multiplayer matches to the end
Win 5 multiplayer matches with USN team
Win 5 multiplayer matches with IJN team