Assessments of trends in the number of aircraft in the RAF fleet is undertaken in the annual National Statistics publication: UK Armed Forces Equipment and Formations.
The Strategic Defence and Security Review 2015 invested in the Royal Air Force to deliver Joint Force 2025. The RAF will grow in size and capability with a larger and more capable frontline, delivering the technology required for the Next Generation Air Force.
F-35 Lightning is now operational, and the Typhoon force has already grown by one squadron, with a further to stand up this year. A broad range of new training aircraft, more aligned to the operational fleet, have also been delivered for the Military Flying Training System. The first P-8A Poseidon Maritime Patrol aircraft will shortly undertake its first flight. We have also committed to purchase Wedgetail Airborne Early Warning and Control aircraft and Protector Remotely Piloted Air Systems. The addition of A400M Atlas, concurrent to the drawdown of the C130J Hercules, has also provided increasing lift capacity, working alongside our C17 strategic transport fleet.