Category - SPECIFICATIONS
Starbase 55 (the Double Nickle to its inhabitants) is a built in late 2384 and placed in orbit above Neibos Prime in January 2385 and the home of the USS Eclipse, MCS Freedom and USS Sovereign.
Dreadnought Galaxy Class built in January 2385 and assigned to Starbase 55 in February 2385 (launched that same month).
Sovereign Class built in June 2382, originally launched in June 2382 but taken out of service in April 2383 and sat in dry dock until 2384. Rebuilt and relaunched in March 2386. Assigned to Starbase 55 in May 2386