Original sentence: OBG(W)-2 took control of the two provinces in October 2006.Overall, the Battle Group had over 60 armoured vehicles — making it a formidable adversary.The Overwatch Battle Group (West) 2 was the second rotation of Australia's Battle Group level commitment to the post-invasion Iraq War
Edited sentence: OBG(W)–2 took control of the two provinces in October 2006.Overall, the Battle Group had over 60 armoured vehicles—making it a formidable adversary.The OBG(W)–2 was the second rotation of Australia's Battle Group level commitment to the post-invasion Iraq War