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Comparison tests pit A-10 Warthog against new F-35 fighter

An A-10 Thunderbolt II ground attack aircraft pulls up sharply out of a low-level strafing run during a combat search and rescue demonstration at Moody Air Force Base, Ga.

PARKER GYOKERES/U.S. AIR FORCE PHOTO

By CHRISTIAN DAVENPORT | The Washington Post | Published: August 30, 2015

One of the biggest battles between Congress and the Pentagon during the past year has been over a snub-nosed grunt of an airplane, a jet so ugly (and fierce) it's nicknamed the "Warthog."

It is beloved by the troops, particularly those who have been saved when the A-10 Thunderbolt II, and its huge 30mm cannon, swooped in to save them in combat.

But despite the aircraft's revered status, the Air Force has said it has no choice but to retire the fleet at a time of budget constraints. The A-10, officials have said, is designed for a single purpose — taking out enemy ground troops at close range — a mission that could be taken over by the F-35 Joint Strike Fighter, the Pentagon's $400 billion next-generation fighter jet.

Critics have argued that while the F-35 may be great at many things, it won't be able to fulfill the dangerous role of what's known as "close-air support" (or CAS) nearly as well as the A-10, which flies so low and slow that it's equipped with a titanium bathtub belly that's designed to absorb the inevitable ground fire it receives.

But after months of debate over which aircraft is better suited for CAS, the Pentagon's chief weapons tester confirmed Thursday that his office plans to pit the A-10 against the F-35 in a series of comparison evaluations starting in 2018.

The testing "will reveal how well the F-35 performs and whether there are gaps or improvements in capabilities compared to the A-10," J. Michael Gilmore, the director of the Pentagon's Operational Test and Evaluation Office, said in an interview with reporters at the Pentagon.

"You can't guess at what the capability gaps are," he said. "It's really not wise to guess. You have to go out and get data and do a thorough and rigorous evaluation."

With its sleek lines, next-generation stealth capabilities and high-tech gadgetry, the F-35, the most expensive weapons program in the Pentagon's history, is in many ways the antithesis of the homely A-10, which has been flying for nearly 40 years.

But getting rid of the A-10 would save the Pentagon $4.2 billion, Air Force officials have said. And they said they remain committed to providing support from the air at especially close ranges to those troops on the ground.

"Delivering fires to troops engaged in close proximity to the enemy is a contact sport, and we are committed to the F-35 as a critical component of this joint and combined team," said Gen. Mark A. Welsh III, the Air Force's chief of staff.

A band of powerful — and vocal — members of Congress has been pushing back on the Air Force's attempts to retire the plane for more than a year. Led by Sens. Kelly Ayotte, R-N.H., and John McCain, R-Ariz., the chairman of the Armed Services Committee, these lawmakers have said the A-10 is a vital part of the Pentagon's arsenal and that getting rid of it could endanger lives.

In a statement Thursday to The Washington Post, Ayotte said the country has "an obligation to provide our ground troops the best possible close air support, and I will not support the divestment of the A-10 until an equally or more capable close air support aircraft achieves full operational capability."

Designed to take out Soviet tanks, the Warthog earned its reputation as a pugnacious brawler during the 1991 Persian Gulf War when it destroyed much of Iraq's tanks, artillery and missile sites. It also was called into action in Iraq and Afghanistan, where many troops equated the staccato sound of its gunfire with salvation.

Gilmore said that since the F-35 is supposed to "replace the A-10 across the board," his office has long planned to evaluate how the planes compare at performing CAS. "This is not something that has just popped up" in light of the controversy, Gilmore said.

"Comparison testing is nothing new," he said, adding that the Pentagon did comparison tests with the F-22 and other weapons systems.

And he said it would also test the F-35 against other aircraft as well, probably including the F/A-18, which the F-35 would also replace.

If the testing reveals a deficiency in the F-35's ability to support troops at close range, the Air Force "will utilize all of the resources we have to be able to meet that CAS requirement if we find out that the F-35 is unable to do that at that point," said Lt. Gen. Arnold W. Bunch Jr., the Air Force's deputy assistant secretary for acquisition.

Because the testing comes as the plane nears what is called its "initial operating capability" for the Air Force, there is still time to develop further capability before it reaches "full operational capability," he said.

Last week, Welsh said it would be a "silly exercise" to compare the A-10 and F-35's ability to provide CAS. In a statement Thursday, he backed away from that comment, saying he did not understand that the testing would be part of a formal Pentagon test and evaluation program.

He said he supported such testing, which "is the only way to ensure a new weapon system meets the requirements we established."

Luke Air Force Base's first F-35 Lightning II flies overhead March 10, 2014, before it lands on base for the first time.
DARLENE SELTMANN/U.S. AIR FORCE PHOTO

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