M109 Armored Diving Suit

The M109 is the standard armored diving suit used by the TC-SOCOM [Theban Cluster Special Operations Command] and includes a full head optics and rebreathing package as well as an MHD pack with an armored chest plate as part of the MHD packs Harness.

Art by dmf0 on DA; this image is from my beta-testing RPG Convergent Paths.