A horrific friendly fire incident saw two show down over the Red Sea yesterday.

The US military announced the tragedy, which is the most serious incident that has threatened troops in more than a year of the US targeting the in .

Both aviators were recovered alive after ejecting from their stricken two-seat F/A-18 aircraft, with one suffering minor injuries. But the shoot down underlines just how dangerous the Red Sea corridor has become, with ongoing attacks on shipping by the Iranian-backed Houthis despite U.S. and European military coalitions patrolling the area.

The US military had conducted airstrikes targeting Yemen’s Houthi rebels at the time of the friendly fire incident, though the US military’s Central Command did not elaborate on what the pilots’ mission was. The F/A-18 shot down had just flown off the deck of the USS Harry S. Truman aircraft carrier, Central Command said. On Dec. 15, Central Command acknowledged the Truman had entered the Mideast, but hadn’t specified that the carrier and its battle group was in the Red Sea.

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“The guided-missile cruiser USS Gettysburg, which is part of the USS Harry S. Truman Carrier Strike Group, mistakenly fired on and hit the F/A-18,” Central Command said in a statement. “This incident was not the result of hostile fire, and a full investigation is underway.”

From the military’s description, the aircraft shot down was a two-seat F/A-18 Super Hornet fighter jet assigned to the “Red Rippers” of Strike Fighter Squadron 11 out of Naval Air Station Oceana, Virginia. While Central Command referred to both as pilots, typically a two-seat F/A-18 has a pilot and a weapons officer on board.

It wasn’t immediately clear how the Gettysburg could mistake an F/A-18 for an enemy aircraft or missile, particularly as ships in a battle group remain linked by both radar and radio communication.

However, Central Command said that warships and aircraft earlier shot down multiple Houthi drones and an anti-ship cruise missile launched by the rebels. Incoming hostile fire from the Houthis has given sailors just seconds to make decisions in the past.

Since the Truman’s arrival, the US has stepped up its airstrikes targeting the Houthis and their missile fire into the Red Sea and the surrounding area. However, the presence of an American warship group may spark renewed attacks from the rebels, like what the USS Dwight D. Eisenhower saw earlier this year. That deployment marked what the Navy described as .

On Saturday night and early Sunday, US warplanes conducted airstrikes that shook Sanaa, the capital of Yemen which the Houthis have held since 2014. Central Command described the strikes as targeting a “missile storage facility” and a “command-and-control facility,” without elaborating.

Houthi-controlled media reported strikes in both Sanaa and around the port city of Hodeida, without offering any casualty or damage information. In Sanaa, strikes appeared particularly targeted at a mountainside known to be home to military installations. However, there were no images or information released regarding the strikes — which has happened previously when airstrikes hit vital facilities for the rebels.

Brig. Gen. Yahya Saree, a Houthi military spokesman, released a prerecorded statement hours later in which he claimed the rebels launched eight drones and 17 cruise missiles in their attack. He also claimed without offering any evidence that the Houthis shot down the F/A-18, likely following a pattern of him making exaggerated claims. During the Eisenhower’s deployment, he repeatedly falsely claimed the carrier had been struck by Houthi fire.

The Houthis have targeted about 100 merchant vessels with missiles and drones since the -Hamas war in the Gaza Strip started in October 2023 after Hamas’ surprise attack on Israel that killed 1,200 people and saw 250 others taken hostage.