STARSHIP
USS Diadem
Class:	Constellation-class
Registry:	NCC-2521
Affiliation:	Federation Starfleet
Launched:	reference stardate 2/7301

The USS Diadem (NCC-2521) was a Federation Constellation-class heavy cruiser in service to Starfleet in the 24th century.

The Diadem was launched on stardate 2/7301 (early 2330s). (FASA RPG module: Star Trek: The Next Generation Officer's Manual)

Constellation-class class XII heavy cruiser/exploratory cruiser starships
	Alaska • Anatevke • Andromeda • Antares • Antietam • Aquarius • Asakaze • Baccarat • Betelgeuse • Callisto • Canopus • Cassiopeia • Ceres • Cochise • Constance • Constellation (I) • Constellation (II) • Daring • Diadem • Diamond • Dragon • Effros • Eridani • Fabrizi • Fading Sun • Ferrel • Gettysburg • Gibraltar • Gihlan • Hamner • Hathaway • Hollister • Indiri • Keppler • Leningrad • Leonid • Libra • Magellan • Malign • Marceau • Meredith • Minora • Mitisio • Nebula • Norris • Nova • Orion • Pisces • Polaris • Pulsar • Rupertus • Sagittarius • Sempach • Sirius Major • Speedwell • Stargazer • Tai Kang • Taurus • Taussig • Valkyrie • Vespucci • Victory • Volkov • Whirlwind • Zodiac