The regiment next saw action at the Battle of Dettingen in June 1743 during the War of the Austrian Succession. It also fought at the Battle of Falkirk in January 1746 during the Jacobite rebellion when its colonel, Sir Robert Munro, 6th Baronet, was shot and then finished off with three sword blows to the head. It went on to fight under the command of Colonel Lewis Dejean at the Battle of Culloden in April 1746 and was ranked the 37th Foot in 1747. The regiment returned to the Netherlands and fought at the Battle of Lauffeld in July 1747.