The 2017 Nangarhar airstrike refers to the American bombing of the Achin District located in the Nangarhar Province of eastern Afghanistan, near the border with Pakistan. On 13 April 2017, the United States conducted an airstrike and used the largest non-nuclear bomb in its arsenal, the GBU-43/B Massive Ordnance Air Blast (MOAB), with the goal of destroying tunnel complexes used by the Islamic State of Iraq and the Levant – Khorasan Province (ISIL-KP or ISIS-K), a branch of the Islamic State of Iraq and the Levant.