Complex sentence: Split's 4th Motorized Guard Brigade "Spiders" was the best equipped and trained Croat military unit in Dalmatia and was used as a mobile reserve, being redeployed to areas needing the greatest firepower.
Split into simpler sentences: Split's 4th Motorized Guard Brigade "Spiders" was the best equipped and trained Croat military unit in Dalmatia. It was used as a mobile reserve, being redeployed to areas needing the greatest firepower.