ðə mɚɹˈiːn kˈeɪbəl hˈoʊstᵻd əbzˈɜːvətˌoːɹi mˈætʃoʊ ɪz ɐ sˈɪstəm ʌv ˌʌndɚwˈɔːɾɚ sˈɛnsɚz kənˈɛktᵻd baɪ fˈaɪbɚɹ ˈɑːptɪk kˈeɪbəl.
The Marine Cable Hosted Observatory (MACHO) is a system of underwater sensors connected by fiber optic cable.