The carbon-fibre-and-titanium walls of the Titan submersible are designed to give it a maximum operating depth of 4,000m (13,123ft).

泰坦潜水器的碳纤维和钛壁设计使其最大工作深度为4,000米(13,123英尺)。

While the full capabilities of a military submarine are kept secret, it was known that the Akula III's test depth was 1710 feet (520 m), with a maximum operating depth of 2,000 feet (600 m).

虽然军用潜艇的所有能力是保密的，但众所周知，阿库拉III的测试深度为1710英尺（520米），最大工作深度为2,000 英尺（600 米）。