Strike Group

A Strike Group is the second smallest Naval Unit type with three or more ships, smallest being a Task Element, Strike Groups require one to hold at least the rank of Rear Admiral.

Anti-Fighter/Bomber Strike Group
An Anti-Fighter/Bomber Strike Group generally consists of a larger warship guarded by

Recon Strike Group
A Recon Strike Group generally consists of

Sizes of Strike Group
Like with all other Naval Units, Strike Groups can vary in size depending on needs of a mission or circumstances, such as the merging of several Strike Groups during a battle after one has lost a flagship or significant portions of it's ships.

Halo Covenant
A Covenant Strike Group is most likely to be composed of: