 Complete the following phrase:  A disastrous series of withdrawals followed in which the regiment lost all of its equipment. A week later, further withdrawals took them towards Elasson, where the regiment was briefly attached in support of the 6th New Zealand Brigade. On 18 April, the fighting was so intense that the regiments guns fire over 6,000 rounds in a twenty-four-hour period as it attempted to thwart the advance of a German armoured column near Mount Olympus. Later the regiment supported the 4th New Zealand Brigade around Erithrai. Finally, on 27 April the regiment was evacuated from Greece on board HMS Ajax and withdrawn back to 