 On 5 May, Meredith once again took over command of the 1st Light Horse Brigade when Brigadier General Charles Cox went to England on sick leave, holding the rank of colonel while in command of the brigade.Meredith commanded the 1st Light Horse Brigade at the Battle of Romani in early August 1916, when his men fought off a series of Turkish attacks.He relinquished command the brigade on 26 August 1916 and reverted to the rank of lieutenant colonel.