STARSHIP
USS Ambassador
Class:	Ambassador
Registry:	NX-10521 NCC-10521
Affiliation:	Federation Starfleet
Launched:	2325
Status:	Active (2333)

The USS Ambassador (NX-10521, later NCC-10521) was a Ambassador-class heavy cruiser in service to Starfleet in the early 24th century. When she was commissioned in 2325, the Ambassador was the prototype for a new class of heavy cruisers. (TNG reference: Star Trek: The Next Generation Technical Manual, Decipher RPG modules: Starfleet Operations Manual, Starships)

During her field trials, the Ambassador visited an unnamed planetary system. (ST calendar: Ships of the Line 2012)

In 2333, the Ambassador was a test bed for new technologies while NX-10521 and was operating out of Utopia Planitia Fleet Yards. (SGR novel: Enigma, TNG reference: Star Trek: The Next Generation Technical Manual) The Ambassador was later given operational status with the NCC registry number. (ST reference: Star Trek Encyclopedia)

Ambassador-class explorer/heavy cruiser starships
	Adelphi • Ambassador • Assurance • Aurora • Ayers • Champlin • Crescent • Cybele • Enterprise-C • Excalibur • Exeter • Fury • Gandhi • Gravina • Hammarskjöld • Hannibal • Harding • Hawkesbury • Hickok • Horatio • Independence • Iroquois • Isis • Kadosca • Krotus • MacDonald • Madison • Manassas • Monroe • Montgomery • Norman • Quiberon • Seattle • Shelton • Strong • Thelian • Thorn • Valdemar • Velasco • Warakurna • Wilson • Winslow • Yamaguchi • Zarnitza • Zhukov