On May 20, a bomb from a German aircraft killed him and the British officer with him near an oil deposit in Habbaniyah.
Armoured Car Company RAF was part of the relief forces, and reached Habbaniyah as part of the Kingcol relief column on the 18 May.
On, December 1, 2003, Singh was serving as the gunner in the lead Humvee of his platoon while on reconnaissance mission in Habbaniyah.