Lockheed’s Sidekick adds increased firepower to F-35 fighters

May 3 (UPI) — Lockheed Martin has developed a new weapons rack — called a Sidekick — that allows the F-35 Lightning II joint strike fighter to carry six missiles instead of four.

Each of the two new weapons bays on the Air Force F-35A and Navy carrier-capable F-35C can carry three AIM-120 advanced medium-range air-to-air missiles, or AMRAAM, instead of the current two, the company told reporters Wednesday.

They are not compatible with the Marine Corps F-35B version, because of its smaller weapons bay.

“The extra missiles add a little weight but are not adding extra drag,” Lockheed test pilot Tony “Brick” Wilson said in the media briefing.

The fifth-generation fighter can carry up to 5,700 pounds of ordnance.

To maintain stealth, the F-35 stores weapons internally. In “beast mode,” the aircraft can carry a combined internal and external loadout of 22,000 pounds of weaponry, but doing so dials down the it’s stealth advantage.

The F-35 also has external structural capacity for hypersonic weapons.

On the F-35A and F-35C, racks currently carry two AIM-120 bombs, or one AIM-120 and a large bomb such as a 2,000-pound GBU-32 Joint Direct Attack Munition. The AIM-120 bombs weigh approximately 335 pounds.

The upgrade is part of a 10-year Block 4 modernization program for the F-35. Lockheed worked with the Air Force Research Lab to develop and install the system F-35A six years ahead of schedule.

With the system already tested on the F-35A, the Navy plans to install the racks on the F-35C in 2021.

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