In April 2017, USA dropped MOAB (Massive Ordnance Air Blast popularly

In April 2017, USA dropped MOAB (Massive Ordnance Air Blast popularly known as the Mother of All Bombs) in the suspected hideouts of militants in which one of the following countries ?

Iran
Syria
Afghanistan
Somalia
This question was previously asked in
UPSC NDA-2 – 2017
In April 2017, the USA dropped the MOAB (Massive Ordnance Air Blast) bomb in the Nangarhar province of Afghanistan.
The bomb was used to target a tunnel complex used by the Islamic State of Iraq and Syria (ISIS) militants.
The GBU-43/B MOAB is one of the largest non-nuclear bombs in the US military arsenal and was first tested in 2003. Its deployment in combat in 2017 was its first use.