Battle Squadron 21

Battle Squadron 21 was a tactical unit of the Royal Manticoran Navy.
== Organization ==
In 1907 PD, until the First Battle of Nightingale, the squadron was comprised of eight superdreadnoughts with an unknown commanding officer. ()
== Known ships ==
* HMS Queen Caitrin, CO Captain Frederick Goldstein, Admiral White Haven's task force flagship during First Nightingale
* HMS King Michael †
* HMS Thunderer †
* HMS Ravensport
== Service Record ==
in 1907 PD - comprised Sixth Fleet
:See: First Battle of Nightingale
== References ==
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