Original sentence: It further describes three particular attacks led by him, including an action on 21 September 1944 when the company was ordered to improve the battalion's bridgehead over the the river Marecchia where he frequently exposed himself to heavy enemy fire to direct Allied fire from tanks and mortars to ensure the success of his mission
Edited sentence: It further describes three particular attacks led by him, including an action on 21 September 1944 when the company was ordered to improve the battalion's bridgehead over the river Marecchia where he frequently exposed himself to heavy enemy fire to direct Allied fire from tanks and mortars to ensure the success of his mission