Louvre of ground- and lower-ground-level interior spaces topped by a golden, undulating roof (fashioned from almost 9,000 steel tubes that form an interior web) that seems to float within the neo-Classical Visconti Courtyard in the middle of the Louvre's south wing. The galleries, which the museum had initially hoped to open by 2009, represent the first major architectural intervention at the Louvre since the addition of I.M. Pei's glass pyramid in 1989. On 5 February 2015, about one hundred archaeologists, protesting against commercial private involvement to protect France's heritage, blocked Louvre's ticket desks to facilitate free access to the museum. At
Structure of the Royal Air Force in 1989 with four aircraft. Squadrons consisted of two to four flights, with fighter squadrons in general consisting of three flights. Structure of the Royal Air Force in 1989 At the end of the Cold War in 1989 the Royal Air Force structure was as follows: The Chief of the Air Staff was a Marshal of the Royal Air Force, who commanded the Royal Air Force. He was a member of the Chiefs of Staff Committee, the Defence Council, and the Air Force Board, which administered the Royal Air Force. The following position were part of the Air Force Board: The strength