Top 10 Most Powerful Military Vehicles of the Republic of Korea Army!

Tanks and Armored Vehicles
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Dec 17, 2025
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On the 19th of July 2022, the brand new KF-21 Borami Stealth Fighter or Fighting Hawk took
to the skies from Sacheon Air Base near Busan. You know, where that train goes.
Many experts are wondering if the KF-21 will be a game changer for the future of the military
aviation market or just an expensive flex for the Korean defence industry.
This joint project of South Korea and Indonesia has been plagued with issues throughout the years
and many doubted its purpose or its feasibility. But the successful development of the T-50 and
subsequent F-A-50 combat variant, KAI or Korean Aerospace Industry proved that they're quite
With a breakthrough into the European market with Poland acquiring 48 of the jet,
the future looks bright for the Korean defence industry and terrifying for South Korea's enemies.
Now the story of the KF-21 or better say the KF-X starts way back in early 2000s,
2002 to be exact, but it wasn't until one huge event that it really kicked it off
with a bang. In 2010, North and South Korea were at the brink of war with artillery fire
being exchanged over the 38th parallel and the Korean government realised it needed a new jet
yesterday. It pushed forward with the development of the KF-X program now determined to acquire
some serious firepower for a conflict that had been looming in the air for almost 50 years.
Several variants were proposed for this new Korean jet, the C-103, a two-engine jet resembling an F-35
or the C-203, which resembled a Eurofighter or the future Chinese J-20. There was also the C-501,
which was the least complex version with a single engine. In the end, the C-103 design
family was chosen because single engine jets couldn't fulfil the requirements set by the
government and the C-203 design family was abandoned because a deal fell through with
potential European partners. If they weren't going to exchange technology, then there was no chance
that they were going to develop themselves. Remember, speed is of the essence. From here,
the development of the C-103 family changed throughout the years. Notice how the design
morphed more and more from an F-35 to the F-22 Raptor and the final, the C-109, which was approved
for the prototype phase, bears a striking resemblance to the F-22, giving it the nickname
the Korean Raptor. But there are also some other features about this jet that really do make it a
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The KF-21 is powered by two GE F414 engines, a further development of the engines that were
used for the Super Hornet. And as it's using so much of the existing templates from American jets,
it actually has roughly the same dimensions as an F-35. And that's exactly the point. The design is
very similar to the F-22 and F-35 because they partnered with Lockheed for this development.
Lockheed transferred a lot of technologies for the KF-21 apart from some key components like radar,
IRST, target pods, and RF jammers, which the Koreans were pushed to develop themselves,
which they actually did with Flying Colors. But it's at this point that the project actually
steps away from the F-22 and F-35 design philosophy. The weird thing is about the KF-21
is the fact that there is no internal weapons bay, which begs some questions about if it's really
that stealthy. Instead, the armament is located on a total number of 10 hard points with three on each
wing and four under the belly. There are talks that there might be an internal weapons bay in
the production in the future, but that's something we'll have to see. With the current configuration,
stealth performance of the KF-21 is questionable and definitely doesn't put in the same category
as other fifth gen jets. So it's more than likely that this is a four plus plus gen aircraft
compared to the Eurofighter, but with a lower radar cross section. However, this isn't exactly
the issue because from the start, the Koreans were actually going for this and called it a 4.5 gen
jet. And here's why. Indonesia. You see, Indonesia is actually a partner to this project and wants
to buy at least 50 of these aircraft as an alternative to buying from Russia. Indonesia
had been a buyer of Russian aircraft like the Su-27SKM and the Su-30 and only recently switched
under pressure from the US towards Western weaponry. This also meant that they canceled
the deal with the Russians to buy new Su-35s and bought 42 of the French Raphaels instead.
With the war in Ukraine still raging, many nations who were trying to buy Russian jets
traditionally inclined towards more neutral suppliers. They didn't exactly want to cozy up
to America, but they had no choice to abandon Russia. This is how the French sales grew
exponentially recently and why the KF-21 Korean jet might just be the perfect aircraft product
for the market. With its price tag probably lower than the US or European counterparts,
the KF-21 might become the ideal jet for many countries looking to replace their aging Cold
War era fleets. And I bet the Koreans are counting on this too. The Block 1 jets will
be focused on the air-to-air combat with limited air-to-ground capability and the second run,
Block 2, will have full multi-role capability, with a further development that's a little bit
more stealthy. The KF-21 is also planned to have a large variety of weaponry available,
both American and European of course. Which is a little bit of a political problem. You see,
the idea that the customers should have the option to go full French with the weapons,
German or even Israeli, with the jets themselves being from Korea, is a little bit of a sticking
point. This would mean less sales for the big old USA and we're going to have to see how they react
to this growing competition between their allies. Lockheed may have helped make the jet,
but now they've cut off supplies to their fellow American weapon manufacturers.
There have already been conflicts with the French so far with the sales of submarines
to my native Australia and rumours of troubles within the Greek Navy purchases
with America flexing its muscle. But despite everything, this is a big step in the world of
aviation and I'm happy that we're going to have yet another sleek and stealthy aircraft to admire
in the near future. And I think this is a very interesting topic for the discussion,
so feel free to share your opinions in the comments below and I'll try to hop in and
answer as many as I can. Thanks so much for watching and I'll see you in the next video.
