In discussing the F-35 with aviation and acquisition experts -- some responsible for highly successful aircraft such as the F-16 and the A-10, and others with decades of experience inside the Pentagon and years of direct observation of the F-35's early history -- I learned that the F-35's problems are built into its very DNA.
The design was born in the late 1980s in the Defense Advanced Research Projects Agency (DARPA), the Pentagon agency that has earned an undeserved reputation for astute innovation. It emerged as a proposal for a very short takeoff and vertical-landing aircraft (known as "STOVL") that would also be supersonic. This required an airframe design that -- simultaneously -- wanted to be short, even stumpy, and single-engine (STOVL), and also sleek, long, and with lots of excess power, usually with twin engines.
President Bill Clinton's Pentagon bogged down the already compromised design concept further by adding the requirement that it should be a multirole aircraft -- both an air-to-air fighter and a bomber. This required more difficult tradeoffs between agility and low weight, and the characteristics of an airframe optimized to carry heavy loads. Clinton-era officials also layered on "stealth," imposing additional aerodynamic shape requirements and maintenance-intensive skin coatings to reduce radar reflections. They also added two separate weapons bays, which increase permanent weight and drag, to hide onboard missiles and bombs from radars. On top of all that, they made it multiservice, requiring still more tradeoffs to accommodate more differing, but exacting, needs of the Air Force, Marine Corps, and Navy.
Finally, again during the Clinton administration, the advocates composed a highly "concurrent" acquisition strategy. That meant hundreds of copies of the F-35 would be produced, and the financial and political commitments would be made, before the test results showed just what was being bought.
This grotesquely unpromising plan has already resulted in multitudes of problems -- and 80 percent of the flight testing remains. A virtual flying piano, the F-35 lacks the F-16's agility in the air-to-air mode and the F-15E's range and payload in the bombing mode, and it can't even begin to compare to the A-10 at low-altitude close air support for troops engaged in combat. Worse yet, it won't be able to get into the air as often to perform any mission -- or just as importantly, to train pilots -- because its complexity prolongs maintenance and limits availability. The aircraft most like the F-35, the F-22, was able to get into the air on average for only 15 hours per month in 2010 when it was fully operational. (In 2011, the F-22 was grounded for almost five months and flew even less.)
This mediocrity is not overcome by the F-35's "fifth-generation" characteristics, the most prominent of which is its "stealth." Despite what many believe, "stealth" is not invisibility to radar; it is limited-detection ranges against some radar types at some angles. Put another way, certain radars, some of them quite antiquated, can see "stealthy" aircraft at quite long ranges, and even the susceptible radars can see the F-35 at certain angles. The ultimate demonstration of this shortcoming occurred in the 1999 Kosovo war, when 1960s vintage Soviet radar and missile equipment shot down a "stealthy" F-117 bomber and severely damaged a second.
The bottom line: The F-35 is not the wonder its advocates claim. It is a gigantic performance disappointment, and in some respects a step backward. The problems, integral to the design, cannot be fixed without starting from a clean sheet of paper.
It's time for Defense Secretary Leon Panetta, the U.S. military services, and Congress to face the facts: The F-35 is an unaffordable mediocrity, and the program will not be fixed by any combination of hardware tweaks or cost-control projects. There is only one thing to do with the F-35: Junk it. America's air forces deserve a much better aircraft, and the taxpayers deserve a much cheaper one. The dustbin awaits.
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