 Complete the following phrase:  In June 1943, command of the 15th Brigade was assumed by Brigadier Heathcote Hammer who had led with distinction as a battalion commander in North Africa, including at the First and the Second Battle of El Alamein. Hammer led the brigade until wars end. Later in 1943 the brigade was deployed to New Guinea. Its first fight involved the 24th and 58th59th Battalions against the Japanese during the 