Mecha from Mobile War Arc Gundam:

    Earth Union

    Mobile Weapons
G4A-3 Arc Gundam Earth Union General-Purpose Mobile Suit
G5A-2 Shock Gundam Earth Union Attack Mobile Suit
G6A-2 Marduk Gundam Earth Union Close-Combat Mobile Suit
G7A-2 Thunder Gundam Earth Union Multi-mode Mobile Suit
G8A-1 Lion Gundam Earth Union Stealth Mobile Suit

    Ships and Support Craft
Terrible-class Earth Union frigate
Mifune-class Earth Union destroyer
Lake Champlain-class Earth Union cruiser
Ironsides-class Earth Union mobile suit carrier

    Phobos Empire  

    Mobile Weapons
R-MS-11.G Typhoon Phobos Empire General Purpose Carrier-Launched Mobile Suit
R-AMS-13.A Balrog Phobos Empire Attack Carrier-Launched Mobile Suit
S-MS-11.H Typhoon Phobos Empire General Purpose Ground Deployment Mobile Suit

    Ships and Support Craft
Vesuvius-class Phobos Empire destroyer
Olympus-class Phobos Empire cruiser
Terror-class Phobos Empire mobile suit carrier