Legendary competition between American branchesS.
The armed forces have embarked on a path of sustainable development.
Take portable solar energy as an example.
The Marines have just launched a portable solar system this spring, and a few weeks later the Air Force began using its own portable solar system. Now the U. S.
The Army uses a portable battery charging kit called a backpack-enhanced portable power system (REPPS)
It is characterized by 62-
The watt solar panel \"blanket\" hidden in the backpack \".
The system has just been deployed in Afghanistan this summer.
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