Considering the current geopolitical weather and the presence of Russian submarines, you'd think the US army would be able to locate the missing object in no time, even with a triangulated location, they failed
That is a submersible. Military submarines (things that can travel thousands of miles, support themselves, have weapons, etc) appear to bottom out at ~2000m. At least one US military sub imploded well above 2000m.
Considering the current geopolitical weather and the presence of Russian submarines, you'd think the US army would be able to locate the missing object in no time, even with a triangulated location, they failed
Worrying times