It is coalition force of almost all the countries on earth.

The Big Three/Main Force:

United States of America(Let's just say, America actually fixed its problems. What problems? You name the top ones🇺🇸)
Number of troops sent(this includes vehicles as well):
Army: 520,000
Marines: 217,000
Navy: 390,000
Air Force: 110,000
SF(Special Forces): 400

United Russia Federation(Since it's 2030 the new Russian President made a ton of changes and promises. Including what to call the country🇷🇺)
Number of troops sent:
Army: 640,000
Marines: 117,000
Navy: 290,000
Air Force: 90,000
SF: 250

United States of China (Same thing what the Russian President did. This also reunified Taiwan in a good way and instead of Chinese flag, they fly the Taiwanese one🇹🇼)
Number of troops sent:
Army: 740,000
Marines: 95,000
Navy: 250,000
Air Force: 88,000
SF: 150

Next is the Big five(in my opinion)/Secondary Main Force:

United Kingdom 🇬🇧
Number of troops sent:
Army: 140,000
Marines: 77,000
Navy: 60,000
Air Force: 20,000
SF: 300

Canada 🇨🇦
Number of troops sent:
Army: 200,000
Marines: 80,000
Navy: 50,000
Air Force: 18,000
SF: 60

Japan 🇯🇵
Number of troops sent:
Army: 50,000
Marines: 25,000
Navy: 25,000
Air Force: 6,000
SF: 25

United States of Korea(Between 2025-30 Russia, China and US declared that North and South Korea should be reunited under the same policies as South Korea. North Korea didn't want that and threatened them with nukes,  however special forces from The Big 3 disabled them. Including artillery, tanks, aircraft and morale. 2yr later, the former North Korean people actually felt free. 🇰🇷)
Number of troops sent:
Army: 190,000
Marines: 97,000
Navy: 40,000
Air Force: 3,000
SF: 40

United States of Africa(Need I say more.  They fly the South African flag. 🇿🇦)
Number of troops sent:
Army: 150,000
Marines: 35,500
Navy: 33,010
Air Force: 9,520
SF: 65

Then there's The Big 10(again in my opinion) /Third Main Force:

Brazil 🇧🇷
Number of troops sent:
Army: 19,000
Marines: 3,500
Navy: 2,900
Air Force: 1,500
SF: 10

France 🇫🇷
Number of troops sent:
Army: 40,000
Marines: 10,000
Navy: 24,500
Air Force: 5,000
SF: 50

Mexico(They became one of America's top allies. And with help from Russia, Mexico is now cartel free. 🇲🇽)
Number of troops sent:
Army: 35,000
Marines: 3,100
Navy: 2,500
Air Force: 600
SF: 5

Ukraine(Again, need I say more. 🇺🇦)
Number of troops sent:
Army: 38,000
Marines: 10,000
Navy: 10,500
Air Force: 1,000
SF: 10

Germany 🇩🇪
Number of troops sent:
Army: 42,000
Marines: 12,090
Navy: 28,500
Air Force: 5,000
SF: 25

The Philippines 🇵🇭
Number of troops sent:
Army: 20,000
Marines: 15,000
Navy: 12,500
Air Force: 2,000
SF: 9

United Republic of Arab Nations(.....I think we all know by now. They fly the Afghanistan flag. 🇦🇫)
Number of troops sent:
Army: 47,000
Marines: 700
Navy: 900
Air Force: 200
SF: 3

Australia 🇦🇺
Number of troops sent:
Army: 32,090
Marines: 10,000
Navy: 14,500
Air Force: 2,000
SF: 7

United Caribbean Nations(To my Caribbean readers: Yes you guys are getting a spot. To the Non-Caribbean readers: Jamaica isn't the only known Caribbean island. And everyone please vote what flag should I use for them. 🇯🇲, 🇹🇹, 🇻🇨, 🇧🇧 or 🇬🇫.)
Number of troops sent:
Army: 30,000
Marines: 50,000
Navy: 20,500
Air Force: 3,000
SF: 20

Republic of Vietnam 🇻🇳
Number of troops sent:
Army: 20,000
Marines: 5,000
Navy: 16,500
Air Force: 5,000
SF: 17

They're other nations, but those are either security(checkpoints or embassy guards) or backup/reinforcements.

Finland(education) 🇫🇮
Number of troops sent:
Army: 20,000

Belgium(base guards) 🇧🇪
Number of troops sent:
Army: 15,000

Thailand(navel base guards) 🇹🇭
Number of troops sent:
Army: 17,000

Czech Republic 🇨🇿
Number of troops sent:
Army: 9,000

Sweden 🇸🇪
Number of troops sent:
Army: 7,000

Italy(Gate guards on sea) 🇮🇹
Number of troops sent:
Army: 6,000
Navy: 60,000

New Zealand 🇳🇿
Number of troops sent:
Army: 1,000

Poland 🇵🇱
Number of troops sent:
Army: 8,000

Estonia 🇪🇪
Number of troops sent:
Army: 3,000

Mongolia (Medical equipment) 🇲🇳
Number of troops sent:
Army: 5,000

India(Main backup) 🇮🇳
Number of troops sent:
Army: 100,000
Navy: 30,500

Iceland(Gate guards on land) 🇮🇸
Number of troops sent:
Army: 50,000

Belarus (Logistics and cargo transport)🇧🇾
Number of troops sent:
Army: 20,000

Denmark(military police) 🇩🇰
Number of troops sent:
Army: 4,000

I'm gonna be honest the number seems a lot for the whole coalition force. But hey, it is what it is.

See y'all next chapter.