so after your oc group took earth most of earth ships where destroyed or sent to be scraped by rules you made for earth and all that left of a few ships that do supply runs or deafens supply ships and supply base for your oc group

modified Pelta-class Frigate ( aka they got a hanger for a wing just like phoenix home did in star wars rebels) 

role: medical ship

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CR90 corvette

role:  supply ship and some time acts as a passenger ship for rich people and a deafens ships

.

 modified cr 90 corvette

role: supply ship and some time acts as a passenger ship for rich people and a deafens ships

.

Hammerhead corvette

role: supply ship and some time acts as a passenger ship for rich people and a deafens ships

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GR-75 medium transport

role: supply ship 

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Nebulon-B escort / medical frigate

role: Medical ship/ medical supply ship  and a deafens ships

.

The DP20 frigate or Corellian Gunship

role: supply ship and some time acts as a passenger ship for rich people and a deafens ships

.

 The Braha'tok-class Gunship, also called the Dornean Gunship

role: supply ship and some time acts as a passenger ship for rich people and a deafens ships

.

Dreadnaught-Class Assault Cruiser

role: a deafens ship so this helps deafens supply ships

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Dreadnaught-class Heavy Cruiser

role: a deafens ship so this helps deafens supply ships

.

 Kongo-class space battleship

role: a deafens ship so this helps deafens supply ships

.

Murasame-class space cruiser

role: a deafens ship so this helps deafens supply ships but it also a medical ship

.

 Isokaze-class assault space destroyer

role: a deafens ship so this helps deafens supply ships

.

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fighters 

x wings

.

a wings

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y wing bombers

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Type-99 Cosmo Falcon

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Type-0 Cosmo Zero 

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Type 1 Space Attack Fighter Cosmo Tiger II