Very few people know about the project "Troposphere", which is a rocket project founded and managed by Jean-Patrice Keka, a Congolese scientist. He is a graduate from Institut Superieur des Techniques Appliquees(ISTS) in Congo Kinshasa.

很少有人知道“Troposphere”项目，珂卡是这个项目的创始人，他是刚果的科学家。他毕业于 Institut Superieur des Techniques Appliquees(ISTS)，刚果金。

Along with his team they designed and manufactured their first rocket Troposphere, using recycled materials and scraps. They manufactured a control center which is equipped with an automated power system, telemetry system, video monitoring system to control the rocket's trajectory, launch pad, and other required apparatus.

他跟他的伙伴用回收原料和废料制造了他们的第一个火箭Troposphere。他们还设计了一个控制台里面有自动系统，遥测系统，视频视频监测系统，发射台等等。

Launching the Troposphere was not successful, but Mr. Keka and his team did not give up. They went on to successful launch the Troposphere II in 2007.

Troposphere III combustion chamber exploded and was unsuccessful as well. This led the team to work hard on Troposphere IV which was successfully launched in 2008. 

他们的第一个火箭Troposphere发射失败了，但是他跟他的伙伴还没有放弃。他们在2007年成功发射Troposphere二。 Troposphere三因为发射的时候爆炸就失败了。他们还是没有放弃就继续玩前走制造Troposphere四，这是在2008成功发射的。

Many government officials were present during the launch of Troposphere IV, and Mr. Keka got government support. Eventhough according to Mr. Keka, "The government has been supporting me morally and psychologically—but they haven’t invested a dime so far. However, they allowed me to travel to cities such as Paris and Washington so I could talk about my project to great authorities, which is a huge honor for me." he said.

在发射Troposphere四的时候很多国家领导被邀请参加。这样珂卡获得了政府的赞，但是珂卡说政府除了给他机会去参加国际活动以外没有给他经济的帮助。

Troposphere V was not successful as well, it looks like the odd numbers aren't a good choice for their projects.

Troposphere五也失败了，看起来他们的项目对单数不吉利。

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