 NCO training and developmental courses occur at RAF Halton and officer courses occur at the Joint Services Command and Staff College at Shrivenham.The Eurofighter Typhoon FGR4 is the RAF's primary multi role air defence and ground attack fighter aircraft, following the retirement of the Panavia Tornado F3 in late March 2011.With the completion of 'Project Centurion' upgrades, the Typhoon FGR4 took over ground attack duties from the Panavia Tornado GR4, which was retired on 1 April 2019.