 Complete the following phrase:  On 4 May 2015, Townsend became commander of the XVIII Airborne Corps. He was promoted to lieutet general shortly before. Townsend became commander of Combined Joint Task Force CJTF  Operation Inherent Resolve OIR on 21 August 2016, replacing Lieutet General Sean MacFarland. In this capacity he commanded US forces as they engaged in an air war supported by special forces and limited Marine deployments plus material and intelligence support to bolster allied ground forces against the Islamic State of Iraq and the Levant ISIL. U.S. airstrikes killed tens of thousands of ISIL fighters and catalyzed enormous losses in territory for them. Under Townsend, the CJTF-OIR coalition together with allies from the Syrian Democratic Forces, the Iraqi Security Forces, and the Libyan Government of National Accord launched simultaneous successful offensives against ISILs capitals in Syria, Iraq, and Libya respectively: the 