Fallout: Honor and Steel

This story is set 48 years after the institute was destroyed. If you havnt already guessed its Fallout 4.

(Its after the Brotherhood Ending because thats the ending i feel is cannon)

Now there is a government set up by the Brotherhood who is allied with the Minutemen at the time. In the last five years a war has begun with the group of ever increasing strength, The Gunners. No longer just a mercenary group but also an army that wants the Brotherhood dead.

With the Minutemen acting as police forces and the Brotherhood as the military, they try to defeat they're new enemy.

the war was started when Elder Maxson was assanated by the gunners. because of the assassination, an extra airship moved into the Commonwealth's vicinity. The Prydwen still hovers by the airport, which has been severely upgraded, while the other, The Gladius, hovers out in the ocean.

The Castle is now shared territory of The Minutemen and The Brotherhood. It acts like police headquarters and a large trade outpost

Raider activity has now spiked by a tenfold in recent years.

Abernathy Farms are now partaily minutemen owned and has been extremely upgraded to make food and supplies for the Army.

Outpost Zimonja is now a Brotherhood Outpost.

Sanctuary has been partialy restored to become a shelter for people who have lost their homes to the war.

Vault 81 has also been turned into half shelter half living area. its vault like features such as jumpsuits have been removed.

Vault 114 still remains a gunner base.

Vault 88 remains abandoned.

Vault 111 now serves as a watchpost for Gunner invaders. its cryo tech has been removed for radar tech.

The Railroad HQ and some of its smaller bases have either been turned into listening posts or hidden bases for the Brotherhood. The rest are either abandoned or raider hideouts.

The Corvega Factory is now a plant for Weapons and Armour for the Brotherhood and Minutemen.

but now the Gunners are planning knock this all down...

and all for there own good...