capable of speeds in the water of 8 miles per hour propelled by a pair water jets in the rear of the craft

Mazon Labs

which is based on the Dark Nights: Metal comic book series

In slightly more detail

Introducing the Theurge base class

BattleTech: ForcePack - Assault & Cavalry Lances Yatzy capable of speeds in theAssault vehicles are brutally effective at shattering enemy positions, driving foes before them with an array of long and short range weapons. Meanwhile, cavalry vehicles range across battle lines, harassing forward columns and instantly exploiting any weakness. Includes: 2 Demolisher Heavy Tanks 2 Schrek PPC Carriers 2 Condor Heavy Hover Tanks 2 Pegasus Scout Hover Tanks 8 Battlefield Suport Cards 8 Alpha Strike Cards