What is the M88A2 Hercules, the heavy US Army vehicle that sank in

m88 vietnamEnglish: M88 HEAVY RECOVERY VEHICLE LOADS DAMAGED APC, JANUARY 1971. This versatile vehicle was the workhorse of the armor recovery fleet. DateM88's assned to a tank battalion headquarters operated similarly to those in the maintenance battalions, but also mht be used to tow a