Thunderbird 4, the underwater rescue vehicle from the popular TV show Thunderbirds, is known for its iconic color. So, what color is Thunderbird 4? The answer is yellow.

While Thunderbird 1 is red and Thunderbird 2 is green, Thunderbird 4 stands out with its bright yellow hue. This yellow submarine is piloted by Virgil Tracy and is used for underwater rescue missions in the show.

If you want to learn more about Thunderbird 4 and its capabilities, you can visit the official Thunderbirds website at www.thunderbirds.com. Here, you can find detailed information about all the Thunderbird vehicles, including Thunderbird 4.

Thunderbird 4 is equipped with a variety of tools and gadgets to help with its rescue missions, making it an essential part of International Rescue's fleet. Its sleek design and distinctive yellow color make it easily recognizable by fans of the show.

So, the next time you watch an episode of Thunderbirds and see Thunderbird 4 in action, remember that it is the yellow submarine of the team. Its unique color sets it apart from the other Thunderbird vehicles and makes it a fan favorite.

For more information about Thunderbird 4 and the rest of the Thunderbirds team, be sure to check out the official Thunderbirds website. You can also watch episodes of the show to see Thunderbird 4 in action and witness its underwater rescues firsthand.

In conclusion, Thunderbird 4 is indeed yellow, adding a bright pop of color to the International Rescue team. Its unique design and capabilities make it an essential part of the Thunderbirds fleet, ready to spring into action whenever there is a rescue mission to be done.

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