How to acquire UNSC Permanent Membership:
Mission: Ocean weeps
Level: Inferno
Requirement: Defeat U.S Navy & Airforce in Pacific/Indian/Atlantic Ocean, Wipe out U.S Bases
Awards: Maritime Supremacy, Advanced R&D, Nuclear Arsenal, UNSC Permanent Membership with Veto Power
Mission: Winter is Coming
Level: Inferno
Requirement: Defeat Russian Federal Army & Airforce, Occupy Moscow
Awards: Natural Resources, Vast Territory, Nuclear Arsenal, UNSC Permanent Membership with Veto Power
Mission: Break the Great Wall
Level: Inferno
Requirement: Defeat PLA Army & Airfoce, Camp Alongside Yellow River/Yangtze River
Awards: Mass-Production, Industrialised Population, Nuclear Arsenal, UNSC Permanent Membership with Veto Power
Mission: God Forsake the Queen
Level: Inferno
Requirement: Defeat Royal Navy & Airforce, Invade British Isles
Awards: Financial Hegemony, Strategy Mastery, Nuclear Arsenal, UNSC Permanent Membership with Veto Power
Mission: Fall of Arc de Triomphe
Level: Inferno
Requirement: Defeat French Army & Airforce , Annihilate French Foreign Legion, Conquer France
Awards: Thriving Culture, Oversea Influence, Nuclear Arsenal, UNSC Permanent Membership with Veto Power
Massion: All Fall Before Me
Level: Armageddon
Requirement: Annihilate All Military Strength of the P5 members
Awards: World Domination, UNSC Monopoly, Access of Next Stage--Interstellar Voyager