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The UK is examining sensor augmentation of the P-8 Poseidon to make it a suitable replacement for the Sentinel surveillance aircraft.

The information comes to light in a response to a written parliamentary question asked by Kevan Jones, MP for North Durham:

“To ask the Secretary of State for Defence, whether his Department plans to procure a new platform to enable the RAF to maintain its wide-area surveillance capability after the Sentinel R1 fleet is retired in 2021.”

Answered by Harriett Baldwin, Under Secretary of State for Defence Procurement:

“Work is on-going in the Ministry of Defence, led by Joint Forces Command, to determine the detailed requirements underpinning any future overland capability programme. A number of space-based, manned and unmanned aircraft solutions, including the development of a sensor for integration onto P-8A, are being explored as part of this work.”

Last year we reported that the UK is looking to improve the overland surveillance capability of the P-8 Poseidon aircraft it intends to purchase. A parliamentary question asked at the time by Kevan Jones shed light on this:

“To ask the Secretary of State for Defence, what future ground surveillance capabilities his Department plans to develop for the P-8 Poseidon programme.”

The reply from Philip Dunne, then Minister for Defence Procurement, read:

“The Ministry of Defence expects the P-8 Poseidon to be principally used in the Maritime Patrol Aircraft role, although it does have a limited overland surveillance capability.

We will be examining options to improve its overland capability but no plans are yet in place and no decisions have yet been taken.”

In 2010, Boeing proposed to replace the US Air Force’s Northrop Grumman E-8 Joint STARS fleet with a modified P-8 at the same cost Northrop Grumman proposed for re-engining and upgrading the E-8s. The proposed P-8 Airborne Ground Surveillance would integrate an AESA radar, and have ground moving target indicator and synthetic aperture radar capabilities.

The history of the aircraft dates back to June 2004, when the US Navy announced the selection of the Boeing multimission maritime aircraft, 737 MMA, and awarded a contract to Boeing for the system development and demonstration phase of the programme for the US Navy’s next-generation maritime surveillance aircraft.

The original service date for the Sentinel fleet has been extended from 2018 to 2021. This will be achieved by cutting one Sentinel from front line service.

Sentinel is a unique capability in Europe but one of the aircraft is being cut in order to save money. Earlier concerns centred around plans that the fleet would leave service entirely next year but a push to extend the service of the aircraft to 2021 seems to have been successful.

The Sentinel is an airborne battlefield and ground surveillance aircraft based on the Bombardier Global Express ultra long range business jet and serves a role similar to JSTARS with the RAF, the jet was adapted by Raytheon to meet the RAF’s requirements.

12 COMMENTS

  1. It makes sense to have one platform to cover a variety of roles.

    The adaption of Bombardier GEx into a bespoke surveillance platform for the RAF did not economic sense for the UK.

  2. We will not be buying more aircraft. The £20bn defence black hole will see to that. This is to try and save some money to stop more cuts, not to free up money to buy more P-8s.

  3. 1) All for standardisation wherever possible.
    2) If P-8s can do Sentinel role they should go and savings should accrue
    3) Worry that it’s just another excuse to further reduce depth

  4. It’s unbelievable the mess the UK defence budget is in.
    It’s an insult to all the men who have given their lives for this nation .
    The public values our armed forces more than the politicians do .
    The money Boris wasted whilst London mayor is shameful .
    They seem to care not about defence they bandy about huge sums , but the it’s over 20 _ 30 years
    break it down and it’s next to nothing yearly.
    Fallon didn’t turn down the ten grand rise .

  5. The current situation is all due to the aftermath of the Nimrod debacle. These were to have the capabilities of the P-8, Joint Rivet, and Sentinel all in one. It makes sense to eventually move all this into the P-8 to save on operational costs.

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