Christum Dominum nostrum"", and extends them again at the start of a following prayer. Mussolini described the Mediterranean as "Mare Nostrum" (Our Sea). Mare Nostrum (Latin, "Our Sea") was a Roman name for the Mediterranean Sea. "Mare Nostrum" ("our sea") was the Roman name for the Mediterranean Sea. The Roman Empire completely encircled the Mediterranean, which they called "our sea" "(mare nostrum)". Romans started then to name this sea "mare nostrum" (Latin for "our sea"). As a result, the Mediterranean Sea was not in any real sense Italy's "Mare Nostrum". John of Cornwall undertook to expound the prophecy of Merlin "iuxta nostrum Britannicum". The Italian Government launched Operation Mare Nostrum in order to avoid new tragedies. In Sweden the sea was then referred to as "Mare Nostrum Balticum" ("Our Baltic Sea"). On 14 December 2010, Bombardier began CRJ1000 deliveries to Brit Air and Air Nostrum. In addition there are 2 Bombardier CRJ1000 leased from Air Nostrum. It is the main base of Iberia's regional carrier Air Nostrum. The plant was sold to Nostrum Laboratories in December 2015. The 1,000th aircraft was delivered to Spain's Air Nostrum on May 3, 2012.