 Complete the following phrase:  In May 1940, the 2nd Battalion, Irish Guards deployed to the Hook of Holland to cover the evacuation of the Dutch Royal Family and Government. The battalion returned to the United Kingdom the day after the evacuation, but had only a short respite, for just a few days later they, along with the Welsh Guards, crossed over to the northern French port of Boulogne, reaching the town on 22 May. Their orders were to defend part of Boulogne during the 