Complex sentence: By mid- 2015 each Ranger battalion had completed its 20th deployment in support of both Afghanistan and Iraq operations, as of 28 March 2016, since the War on Terror began, 31 Rangers from the battalion have been killed.
Split into simpler sentences: By mid- 2015 each Ranger battalion had completed its 20th deployment in support of both Afghanistan and Iraq operations. As of 28 March 2016, since the War on Terror began, 31 Rangers from the battalion have been killed.