(Kelly of the Clue Crew stands next to a huge land vehicle at the Marine Corps Base at Quantico, VA.)  To protect Marines from insurgent IEDs, the MRAP vehicle has a V-shaped this, a term more associated with ships, to disperse blast force
... Anchor ball: Round black shape hoisted in the forepart of a vessel to 
show... [DOC] [TLE] dunford-wants-marines-on-anything-that-floats - Marine Corps Times [PAR] Feb 2, 2015 ...