Complex sentence: The Sub Aqua Association or SAA is one of the main diver training organizations in the United Kingdom along with the British Sub-Aqua Club and the Scottish Sub-Aqua Club.
Split into simpler sentences: The Sub Aqua Association or SAA is one of the main diver training organizations in the United Kingdom. The other major dive groups are the British Sub-Aqua Club and the Scottish Sub-Aqua Club.