The Harrier versus the Lightning II: Which does close air support better?
With the debate on close-air support raging between those who think the F-35 Lightning can perform the role versus those who think the A-10 Thunderbolt II (aka the Warthog) can’t be beaten, one other plane that excels in this role has been all but forgotten.
The McDonnell-Douglas/British Aerospace AV-8B+ Harrier has played a role for decades supporting troops on the ground in combat.
The Harrier had caught the fancy of Hollywood for a while – notably being used to evacuate a defector in the beginning of “The Living Daylights” – and especially after it proved to be a war-winning weapon in the Falklands in 1982. The U.S. Marines had a similar plane in the AV-8A Harrier.
Then, around 1985, the AV-8B and GR.5 entered service, offering a greater payload for ground attack. The 1990s saw the AV-8B+ enter service with the APG-65 radar used on the F/A-18 Hornet.
So, how does this plane stack up against the competition is a close-air support mission?
In a max-payload configuration, the AV-8B+ can carry 14 Mk 82 500-pound bombs. The AV-8B+ can carry a wide variety of other weapons as well, including the Mk 84 2,000 pound bomb, CBU-87 and CBU-100 cluster bombs, the AGM-65 Maverick air-to-ground missile, GPS-guided Joint Direct Attack Munitions (JDAMs), and laser-guided bombs.
The Harrier also features an internal gun – the 25mm GAU-12 — with 300 rounds of ammo. While not as powerful as the A-10’s GAU-12, this gun still packs a punch.
So, how does this stack up to the F-35B which the Marines are using to replace the Harrier?
The F-35B can carry JDAMs, but cannot carry any 2,000-pound bombs. As this Military.com video shows, 2,000 pound bombs are sometimes needed to support grunts.
Even though the F-35 has a larger maximum payload (15,000 pounds to the AV-8B’s 9,200 pounds), not being able to drop the bigger bombs can be a problem. The F-35 also doesn’t carry the Maverick missile, which can be a problem when there are ground-based air defenses.
The lack of an internal gun is another killer. Sometimes, you don’t need a big bang, especially when you have to be aware of collateral damage. When you drop a 500-pound bomb, that’s still a lot of high explosives going off.
Even the AGM-114 Hellfire used on drones has caused some civilian casualties when taking out high-ranking terrorists.
The Marines need new aircraft, particularly since they had to be bailed out by the boneyard earlier this year. The high-tech F-35B may be a good replacement for the F/A-18C Hornets the Marines desperately need to replace, but the AV-8B+ may need to stick around a while to help with the close-air support mission.
Because like the Hog, it can do stuff that the F-35 just can’t do.
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