The United States Air Force is planning to keep the Lockheed Martin F-22A Raptor in service though 2060.

The United States Air Force is planning to keep the Lockheed Martin F-22A Raptor in service though 2060. To that end, the service is funding a series of upgrades that will keep the powerful fifth-generation air superiority relevant for decades to come. Indeed, the Pentagons fiscal year 2018 budget request is a down payment towards that goal.

We plan to retain the F-22 until the 2060 timeframe, meaning a sustained effort is required to counter advancing threats that specifically target its capabilities. The FY18 budget includes 624.5 million dollars in RDT&E and $398.5 million in procurement towards this goal, Lt. Gen. Arnold Bunch, military deputy to the Office of the Assistant Secretary of the Air Force for Acquisition, and Lt. Gen. Jerry Harris, Air Force, deputy chief of staff for plans, programs and requirements, wrote in theirwritten testimony[before the House Armed Services Committee on June 7.

--- This Story Originally Appeared in TheNational Interest---

As Tom McIntyre, a program analyst for F-22 requirements at Air Combat Command, told me earlier today, while the year 2060 came as a surprise to the Raptor community, the airframe will be structurally sound until at least that time.

That came somewhat as a surprise to us, McIntyre said. We were not expecting 2060, but the F-22 program has a very robust structural integrity program known as ASIP (aircraft structural integrity program).

Robust Structure:

The Raptors airframe is incredibly robust due to the Air Forces extreme requirements for the design during the closing years of the Cold War. Though the F-22 was designed with an 8000-hour airframe life, real life-flying experience shows that the jet can be safely flown without modifications out to 12,000 hours at the low-end and as many as 15,000 hours on the high-end.

Way back in the late 80s and early 90s when we designed the F-22, we had about 10 design missions that we built the structure of the aircraft around, McIntyre said.

Thats what during EMD [engineering, manufacturing, development] we did the full scale testing on against those missions. We came to find out we have not been flying the Raptor nearly as hard as those design missions nor as what we found out during the structural testing, so actually the airframe itselfwithout any service life extension programis good out to approximately 2060.

Nor is corrosion a factor as has been the case on the U.S. Navys Boeing F/A-18 Hornets. Most of the issues that the Air Force found on the Raptor were related to galvanic corrosion due to the aircrafts stealth material. But none of the corrosion was on the critical airframe structures of the aircraft, McIntyre noted. In any case, the Air Force is taking actionwhich is to replace a particular conductive stealth coatingto eliminate the corrosion problem on the Raptor.

Those corrective actions are currently being done at the depot at Hill Air Force Base, McIntyre said.

Were also adding modifications to avoid future corrosion and all of those mods should be completed about mid-2020.

Tooling:

Moreover, the Air Force is auditing the Sierra Army Depot to make sure that the F-22 manufacturing tooling is secureand thus far everything is in order. The audit is 85 percent complete and thus far all of the tooling has been found. Earlier, some Air Force officials had expressed concerns that the equipment had been misplacedhowever, those concerns were unfounded as it turns out.

When you store 40,000 tools in a bunch of Connexes, its probably like my garage, I know something is out in it, but it takes me a while sometimes to find it, McIntyre said.

Theyve found no issues with finding any of the tooling.

As for restarting the F-22 production line, that is a non-starter for the Air Force.

The Air Force has no plans to restart the F-22 production line because it wouldnt make economic or operational sense to do so, Maj. Carrie Kessler, a spokeswoman for Air Combat Command told me.

The Raptor in 2060

Given that the F-22 airframe will easily make it to 2060, the question is what can the Air Force do to keep the Raptor tactically relevant into the later part of the 21st Century? The Air Force does not yet have an answer to that question, but it does have a plan to keep the Raptor relevant to the 2030s.

We dont have a crystal ball that goes out to 2060, McIntyre said.

Our organization is working the requirements for the F-22 to keep it operationally relevant for obtaining and maintaining air superiority between now and 2030.

Potential adversaries like Russia and China are designing measures to defeat the Raptor and American air superiority writ large. What might happen is that the F-22 would partner with the sixth-generation Penetrating Counter Air (PCA) in a teaming arrangement similar to todays partnership between fourth and fifth-generation aircraft. The Raptor would take the place of the F-15C Eagle as the lower-tier of a high-low mix with the PCA forming the upper-tier.

When the PCA comes online, it will be designed to operate and be interoperable with fifth-generation aircraft such as the F-22 and F-35, McIntyre said.

There will come a time whether it is 2030, 2040 or 2050 when the F-22 will be kind of like a fourth-generation aircraft today.

Nonetheless, based on the threats the Air Force sees becoming operational in 2019-2020, the service is looking at planning future upgrades for the F-22however those discussions are classified.

Those are classified capabilities, McIntyre said.

Following those, at some point in time, because the Raptor is going to be around a long time, we are looking at something that is tentatively known as mid-life update.

That mid-life upgrade will likely mean new computer hardware and new avionics such as modernized radars and antennas.

Sometime between 2025 and 2030 were going to have to take a serious look at the supportability of some of the systems onboard the Raptor and upgrading those, McIntyre said.

Were currently in the very early stage of looking at that.

The Immediate Future:

The Air Force is investing in keeping the Raptor ready for near term threats too. Increment 3.2Bwhich adds full integration of the Raytheon AIM-9X Sidewinder and the AIM-120D AMRAAM and a host of other upgradeswill be entering operational testing this summer before it starts to be fielded in fiscal year 2019. There is also a software only modification called Update 6 which will be fielded simultaneously that modernizes the Raptors cryptography, McIntyre said.

A more significant modernization effort after Update 6 is the Raptors TACLink-16 effort that will add Link-16 transmit capability to the F-22 in 2021. The Air Forceafter resisting incorporating the omni-directional Link-16 datalink for yearsis finally adding a transmit function to the Raptor. The reason is that as the service has gained more experience in operating the stealth aircraft, it has learned many operational lessons.

As we are finding out, the F-22 overall from a tactical employment standpoint is not afraid of operating with Link-16 transmit on almost all the time, McIntyre said.

Over time as we have learned more about the aircraft, the smart men and women flying it have developed tactics and found that some of our early concerns with Link-16 transmit were unfounded.

The Air Force had considered much newer and much more capable datalinks for the Raptor such as the F-35s Multi-Function Advanced Datalink (MADL) and the Navys high-speed, high-bandwidth Tactical Targeting Network Technologies (TTNT), but McIntyre said that he is not the expert on that particular aspect of the Raptor program and, thus, is not comfortable discussing that decision. But he did discuss why the Air Force is not relying only on the Talon HATE datalink pod on the F-15C to retransmit information from the Raptor to the rest of the fleet.

That is a capability that is only going to be fielded on a very limited number of F-15 aircraft, McIntyre said.

Unless youre operating with a very limited number of F-15 aircraft you would not be able to share the tactical picture the F-22 is able to gather with its sensors.

But the TACLink-16 program includes more than just the addition of the new data-link capability. The Air Force intends to fill the remaining empty avionics bays onboard the Raptorthe jet has three bays in totalwith an open mission systems (OMS) architecture as the foundation for future F-22 upgrades.

The OMS is an enabler for all future F-22 modernization, McIntyre said.

You can kind of think of itits grossly oversimplifiedlike its an iPhone that you can add applications to.

Immediately following the TACLink project is TACMANor Tactical Mandateswhich features the Pentagons mandatory Mode 5 Identification, Friend or Foe upgrade for both the interrogation and transmission functions. The upgrade also features advanced combat identification and electronic protection features, McIntyre said.

That will follow in 2022, so you see we kinda got an bang, bang right after TACLink-16 with TACMAN, McIntyre said.

Another piece of good news for Raptor pilotswhich is enabled by OMSis that the F-22 will finally receive a helmetmounted cueing systems (HMCS) to exploit the outer edges of the AIM-9X weapons employment zone. Development and integration of the HMCS are scheduled to start next year in 2018. The new system will be fielded in 2021 if all goes as planned. The Air Force has not picked which HMCS it will choose yet, but there should be down selection in the next year or so, McIntyre said.

The key enabler is the OMS, McIntyre said.

With the addition of the HMCS, the Raptor will almost be the aircraft that was originally promised to the Air Force when the Advanced Tactical Fighter program was awarded to Lockheed so many years ago.

--- This Story Originally Appeared in The National Interest---

Dave Majumdar is the defense editor for the National Interest. You can follow him on Twitter:@davemajumdar[4].

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Air Force: F-22 Will Fly to 2060 - Scout