Ukraine is mourning a significant loss after its first F-16 fighter jet crashed earlier this week, killing one of its top pilots. This is a huge setback for the Ukrainian Air Force, which has only recently started receiving these advanced jets.

The Crash and Its Impact
On August 26, 2024, Oleksiy Mes, a pilot known by his call sign “Moonfish,” was flying an F-16 on a critical mission when his plane went down. Before the crash, Mes had already achieved a remarkable feat: he shot down three Russian cruise missiles and an attack drone during a major Russian assault on Ukraine. This was part of a huge wave of missile and drone strikes that Russia launched against Ukraine, the largest attack of the war so far.

The Ukrainian Air Force initially didn’t specify the type of jet involved, but it was later confirmed as an F-16 by the General Staff. In the same attack, another F-16 managed to shoot down four Russian cruise missiles. The loss of such a valuable asset is particularly hard for Ukraine because it had only received a few of these fighters and had a limited number of trained pilots to fly them.
— Melaniya Podolyak (@MelaniePodolyak) August 29, 2024
Ukrainian Lieutenant Colonel Oleksii "Moonfish" Mes was the first F-16 jet pilot killed in Ukraine.
— Clash Report (@clashreport) August 29, 2024
Mes, 31, was among a select group of only six Ukrainian pilots who had completed the intensive training program to operate the F-16 jets. https://t.co/ieCB6u8XKP pic.twitter.com/MsWHabRlyw
Investigations and Confusion
U.S. officials have said the F-16 wasn’t shot down by enemy fire, suggesting the crash might have been due to pilot error. However, Ukrainian officials have disputed this claim, and the exact cause of the crash remains unclear. The Ukrainian Air Force has set up a special commission to investigate the incident.
The pilot, Oleksiy Mes, was known for his strong advocacy for Ukraine receiving F-16s. He had even promoted this cause in Washington. Before his death, Mes had been vocal about how much he enjoyed flying the F-16, calling it more agile than the MiG-29 he used to fly.

A Hard Blow to Ukrainian Forces
This incident comes at a tough time. Only six F-16s had arrived in Ukraine by the end of July, and the country had just begun to integrate these jets into its defense strategy. With around 85 F-16s planned for delivery, losing one so soon is a heavy blow. The death of Mes, who was one of the few Ukrainian pilots trained to fly the F-16 in combat, adds to the tragedy.
Ukrainian President Volodymyr Zelensky has announced the removal of Lt. Gen. Mykola Oleschuk, the Air Force commander, following the crash. Lt. Gen. Anatoliy Kryvonozhko has been appointed as the acting commander. Zelensky stressed the need to strengthen the team and ensure the safety of personnel.

The Investigation Continues
Questions remain about why the F-16 crashed and whether any mistakes or misunderstandings played a role. Ukrainian MP Maryana Bezuglaya suggested that the jet might have been accidentally hit by Ukraine’s own Patriot anti-aircraft system due to poor coordination, but this claim lacks solid evidence.
JUST NOW: "Combining the efforts of our fighters, as well as ground air defense, is a really good match. We feel free right now to operate in our airspace.
— John Berman (@JohnBerman) March 24, 2022
–"Juice" and "Moonfish." 2 Ukrainian Air Force pilots on their fight against the Russians. pic.twitter.com/S1SLNqRRyl
The U.S. is assisting with the investigation, and Lockheed Martin, the company that makes the F-16s, has offered to support Ukraine if needed. For now, the Ukrainian Air Force is focused on finding out the truth behind the crash and ensuring such incidents do not happen again.
Investigation.
— Illia Ponomarenko 🇺🇦 (@IAPonomarenko) August 30, 2024
A proper investigation into the death of Colonel Oleksiy “Moonfish” Mes’ with international involvement is critically necessary, and the Air Force command has just vowed to carry out one.
We’re waiting for proper answers on what happened and why. pic.twitter.com/tiw2SKI1BU
This tragic event highlights the high stakes in Ukraine’s struggle and the precious value of every pilot and aircraft involved in their defense efforts.