IM-A-761 Oceanic Garrison
The IM-A-761 oceanic garrison, also known as The Blackfathom[1] was a relatively new line of Imperial garrisons specializing in planets with wide oceans created by Rothana Heavy Engineering.[1]
Characteristics
A Blackfathom lacked the underground levels due to it being aquatic based, but it compensated for this with several powerful repulsorlifts to keep it afloat, even during the heaviest waves.[1] In addition, it was equipped with underwater hangar bays. The contingent included seatroopers, repulsor-subs[1] and AT-AT swimmers.[2] It is implied that the repulsorlifts ability to withstand heavy waves was the result of an incident on Shaum Hii that caused a NewsNet frenzy.[1]
Sources
"Imperial Garrisons" – Star Wars Adventure Journal 12- Star Wars: Imperial Handbook: A Commander's Guide (First identified as IM-A-761 Oceanic Garrison, simultaneous with The Blackfathom)