 The Glosters, as part of the 29th Brigade, were defending routes through the valley that could potentially be used by the Chinese in a southbound offensive towards Seoul.On 22 April 1951, they engaged with Chinese troops in the Battle of Imjin.By the morning of 24 April, B Company had fought off seven assaults before they were able to rejoin the remainder of their battalion on what became known as Gloster Hill.