Given the task definition and input, reply with output. Given a sentence in the Japanese, provide an equivalent translation in Bahasa Indonesia that retains the same meaning through the translation. In translation, keep numbers as it is.

ヘリコプターは砲撃の際、地上の米軍の護衛隊をエスコートしていたと見られた。
Helikopter tersebut diyakini telah mengawal konvoi militer AS di darat saat tembakan dilepaskan.