Why the F-22 and F-35 Could Be the U.S. Military's Two Biggest Mistakes Ever

November 30, 2017 Topic: Security Blog Brand: The Buzz Tags: F-22F-35MilitaryTechnologyWorldU.S.Air Force

Why the F-22 and F-35 Could Be the U.S. Military's Two Biggest Mistakes Ever

What history tells us. 

The U.S. military is a big proponent of networked warfare. In theory, if one airplane detects an enemy, it could pass on that data to friendly ships and aircraft—and through  Cooperative Engagement Ability , even potentially allow those friendlies to shoot at that target from far away.  One potential tactic  is to use a vanguard of stealthy fighters to identify incoming enemy aircraft and send targeting data to ships or non-stealth fighters, which can carry heavier weapons loads. The F-35’s excellent sensors and datalinks could make it effective in this role.

There is even an idea being kicked around  to mount large numbers of missiles on a B-1 or B-52 , which would be fired off hundreds of kilometers away from the battle. Of course, such an “ arsenal plane ” would be vulnerable if enemy fighters broke through the accompanying line of F-22s and F-35s. The tactic would likely require even longer-range missiles than the U.S. currently employs.

In Len Deighton’s book  Fighter, he describes the tactics used by the outnumbered English fighter pilots defending against German  Luftwaffe bombers in the Battle of Britain:

The professional fighter pilot gained height as quickly as he was permitted, and treasured possession of that benefit. He hoped always to spot the enemy before they spotted him and hurried to the sun side of them to keep himself invisible. He needed superior speed, so he positioned himself for a diving attack, and he would choose a victim at the very rear of the enemy formation so that he did not have to fly through their gunfire. He would hope to kill on that first dive. If he failed, the dedicated professional would flee rather than face an alerted enemy.

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Deighton’s point was that the best British pilots used hit-and-run tactics emphasizing surprise and speed in order to minimize losses, rather than dogfighting at length with enemies after those advantages were spent. These tactics permitted small numbers of British fighters to tackle the aerial armadas of the German Luftwaffe.

Obviously, technology has changed dramatically since 1940. While contemporary fighters can now go more than five times as fast as the Spitfires and Messerschmitt fighters of the  Battle of Britain , two new technologies promise to make hit-and-run tactics more effective: stealth technology and long-range air-to-air missiles.

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Stealth and Its Limits: 

While virtually any plane can be equipped to fire long-range missiles, stealth airframes are built using radar-absorbent materials and engineered precisely to minimize reflection of radar waves. This constrains their load-carrying abilities, as external weapons or drop tanks could increase their visibility on radar. The United States fields two stealth fighters, the  F-22 Raptor  and the  F-35 Lightning II .

Stealth planes are properly described as “Low Observable” aircraft. They are not actually undetectable, but are very hard to spot on radar. Let’s review the limits on stealth technology, and how fighter doctrine may evolve around them.

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Stealth aircraft are optimized to be difficult to observe on the precise X-Band radars used on modern fighters: while some radars have better resolutions than others, most will only be able to track a stealth fighter at shorter distances. An F-22 is claimed to have the radar cross section of  0.0001 square meters  in certain aspect—the same as that of a marble.

Low-bandwidth radars are more effective at detecting stealth aircraft. These are typically used by ground installations and ships, but also found on specialized aerial platforms such as the  E-2D. However, they come with a major limitation: they can reveal only the general location of a stealth fighter and are too imprecise to be used to target missiles—though they can indicate to an X-Band radar where to look.

Infra-Red Search-and Track (IRST) systems offer another means of detecting stealth aircraft, but their range is generally limited. The latest IRST system on the SU-35 has extended the range up to 50 kilometers, whereas its radar has detection range of up to 200 kilometers. Just like low-band radar, IRST doesn’t give a precise track and can’t be used to lock on weapons. Stealth fighters include features designed to minimize heat signature, but they are far from completely effective.

Of course, a stealth fighter can be seen within visual range, and is vulnerable to heat-seeking missiles.

To recap: stealth technology is more effective at a distance. Although there are a number of methods to detect stealth fighters at long range, they generally don’t permit weapons to lock on to them.

In return, nothing prevents the stealth aircraft from firing at its opponents.

Enter the beyond-visual-range (BVR) missile.

Long Range Air-to-Air Missiles

Around the late 1990s, a new generation of long-range radar-guided air-to-air missiles entered service, notably the  AIM-120 AMRAAM and the Russian  R-77. These could hit targets over 50 kilometers away. (The earlier  AIM-54 Phoenix  boasted even longer range but was very expensive). In subsequent decades, the range has continued to increase to well over 100 kilometers, and new types such as the European  MBDA Meteor and the Chinese  PL-15 continue to push the envelope of speed and range.