Complex sentence: The Scimitar is used by the five formation reconnaissance regiments of the British Army, Each Regiment has three squadrons each of 12 Scimitar, The Household Cavalry Regiment has an extra squadron to support 16 Air Assault Brigade.
Split into simpler sentences: The Scimitar is used by the five formation reconnaissance regiments of the British Army. Each regiment has three squadrons each of 12 Scimitars, The Household Cavalry Regiment has an extra squadron to support 16 Air Assault Brigade.