Chopinburg Rainforest

This area is seen in Ace Combat 2, Ace Combat 03: Electrosphere and Ace Combat 04: Shattered Skies. Chopinburg Forest is located in the Central Portion of the Usean Continent. The city of Los Canas is at the center of the forest region. The Northern part of the region is all farmland. This region has been a site of combat in all wars which took place on the Usean Continent.

Usean Rebellion (Op. Cuckoo's Nest
) Scarface 1 was sent on a solo mission to disrupt resupply missions near the city of Los Canas. Scarface devastated the supply operation by destroying the supply crates (Where he had to uses his Vulcan Cannon) not to mention destroying the transports & escort aircraft.

Usean Rebellion (Op. Rising High)
Scarface 1 was sent to the northern Chopinburg region to destroy high speed, high altitude bombers attempting to head to bomb the recently captured city of Los Canas. Although it was difficult to get to the target altitude, Scarface was able to the destroy all the bombers & the intercept craft.

Usean Continental War(Op. Noah's Ark)
ISAF recaptured their Main GHQ as well as the city of Los Canas on March 7, 2005. One week later at 3:31 PM, Mobius 1 went on a solo mission in the northern region to protect two airliners from Air Ixiom. These airliners carried the engineers that had created Stonehenge almost 10 years ago. They were under attack by Erusean fighters. Mobius 1 single-handedly dispatched all of the fighters including the commander of the attack, Neujmin. With the engineers defecting to ISAF, the road to Stonehenge became clear.

Corporate War of 2045 ("Joint Maneuvers")
40 years after the Continental War, Chopinburg was again seen in the reigns of war. A joint exercise between UPEO & General Resource. Nemo, the UPEO's top ace participated with GR's top aces, Dision & Kieth. During exercises, Neucom dropped chemicals, to be transported to Los Canas. With the combined efforts of UPEO and GRDF. The chemicals, the transport & all escort fighters were destroyed.

Corporate War of 2045 (Bug Hunt)
UPEO & Neucom joined forces to stop Ouroboros from destroying the corporations. A squadron consisting of Nemo, Erich & Rena were equipped with anti-nanobyte bombs to destroy the nanobyte virus.

Sources

Ace Combat 2 (the game)

Ace Combat 03: Electrosphere (the game)

Ace Combat 04: Shattered Skies (the game)