 Complete the following phrase:  In September 1990 it was announced that an augmented 409 Squadron, and an infantry company from the 3rd Battalion, The Royal Canadian Regiment, would deploy from Baden to a base in Qatar as part of Operation Desert Shield along with some airfield security personnel. In December it was announced that 439 Squadron would deploy from Baden to replace 409 Squadron in Qatar. Aircraft from 439 Squadron were involved in air patrols and air-to-ground missions during 