In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

Q: 領空開放条約にのっとり、ノルウェーとデンマークはベラルーシとロシア上空の観測飛行の実行を昨日開始した。

A: In accordance with the Treaty on Open Skies, Norway and Denmark started conducting observation flights over Belarus and Russia yesterday.
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Q: カンタスの旅客機が450人の乗客を運ぶのに対し、それは、世界で最大の商業大型旅客機であり、最大840人の乗客を収容できる。

A: It is the largest commercial passenger airliner in the world, with an 840-passenger maximum capacity, though Qantas's can carry 450.
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Q: 後援国の産業に役立つこともあり、これらの作戦を行っている国々の経済に数十億の価値をもたらすこともできる。

A:
They can be of use to industries of the sponsoring nations and these things can have values in the billions for the economies of those countries undertaking these operations.
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