Here is the full list of all 25 Air Conflicts: Secret Wars trophies - there are 4 bronze, 15 silver, 5 gold and 1 platinum.
Awarded for successfully collecting all trophies from Air Conflicts: Secret Wars
Complete every mission
Complete Chapter VII
Unlock all planes in single player campaign
Complete Chapter VI
Complete Chapter V
Play 50 multiplayer matches
Place first in Deathmatch with at least 6 players
Place in top half in Deathmatch with at least 6 players
Complete Chapter IV
Destroy 100 ground units in Campaign Game
Win 5 multiplayer matches with any Great War Team
Kill 100 players in multiplayer
Win 5 multiplayer matches with Red Air Force team
Win 5 multiplayer matches with Luftwaffe team
Win 5 multiplayer matches with RAF team
Kill 10 players in multiplayer without dying
Kill 5 players in multiplayer without dying
Perform extra long range Rocket Kill in Multiplayer
Perform long range Rocket Kill in Multiplayer
Complete Chapter III
Shoot down 100 aircraft in Campaign Game
Complete Chapter II
Shot down enemy aircraft with a rocket at great range in single player
Complete Chapter I