(A/N: This is an USKA Allies from other Multiverses. It was inspired by XwarCommander1230 from his work.)

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Background: In 2024, USKA Scientist able to re-engineer the portal from the old CSN technology. They're send troops to other multiverse and make friendly relationships with them.

However, USKA Makes some allies or enemies across different worlds. Either by peaceful relationship, non-aggression pact and neutral pact. This will also helped the USKA been more advance then ever.

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United Allied Force (Red Alert 2 Universe)

- In the Red Alert 2 Universe, USA was invaded by the Soviet Union with the help by Yuri. However, USKAF Enter this world and aid the Allied Forces against the Soviet Aggression. They're were pushed to moscow and able to capture the Premier and other soviet officers from the capital. The USKAF Special Forces sabotage the Yuri's Psychic Dominator before they're could activate it around the world. USKA Allies (German Empire & Russian Empire) helped rebuilt there world, While the Russian Empire restore the country into a Democratic State.

Dr. Albert Einstein learn about the USKA Advance Technologies and decided to work with the (USKA) Futuretech.

Kingdom of Equestria (My Little Pony)

- In the MLP Universe, A USKAF Navy Ship arrived on the World of Equestria. Princess Celestia and her sister Luna saw the Unknown Fleet and the leader of the USK President Y/N. The Two Ponies are shock that they're leader was a child. But it was more surprising that his a immortal like them. USK President Y/N began about the history of his world and the USKA Came to been. Needless to say, The Two Ponies are surprised about his world, However, They're felt sadden to hear about his adoption parents been killed in the civil war.

But felt surprised that his world are much peaceful and very helpful. Both kinds sign the non-aggression, But it will been USKA protection from any threat that came from this world.

United States of America (Kaiserreich)

- In the Kaiserreich Universe, The 2nd American Civil War erupt with three faction seceded from the Union. Under General Douglas MacAthur from the US Military, He wanted to crushed the traitors and keeps the country in peace. Fortunately, Help was on his way when the USKAF Army aid the Federal Government against the three traitors.

The Combine Syndicates of America, The American Union States & Pacific States of America was crushed by the USKAF and the Federal Government. Huey from the AUS was imprison. However, Instead he decided to works with the USKA and helps them fight against the KKK and the Silver Legion. Huey was let go and became the leader of the (New) AUS, Taking the Southern parts. While MacArthur takes control the North America. Which ended the 2nd Civil War.

New Helghast Republic (Killzone)

- In the Killzone Universe, A helghan planet began to rearmed their army and ready to attacked the ISA. However, They're plan of attacking ISA was soon shattered when the unknown fleet from the portal enter Helghast Territory and USKSN (United States of Kitsune Space Navy) began attacking the Helghast Fleets and destroyed their army.

The Helghan were caught off guard by the sudden attacked by the unknown fleets. However, Their Allied (German Empire and Imperium from W40K) began to sabotage the helghan projects and researches. Capturing/Killing Commander, Officers and Admiral. The Helghast Lost and many were repelled. The Emperor was taken into custory and arrested from his war crimes.

The New Helghast Republic was born and it was USKAF already taken care the resistance across helghan. Making it more peaceful and helpful. However, The Flag still stays.

Imperium of Man (Warhammer 40K)

- In The Warhammer 40K Universe, The 10,000 Year War ended after the long war that killed 453,645,000,000 in the galaxy, This means peace has now brought to the galaxy. However, A single ship enter the Universe and Made Contact with the imperium fleet.

The USKSN Enter Terra and USK President meets the emperor of mankind. USK President Y/N began to explained about his original and history about alternate earth. The Emperor was surprised by the child, And Understoods his goal and the emperor told the Y/N he will helped him in the future.

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(A/N: I'll tried to add more USKA Allies in the future.)