Why go with Oshkosh? Think back to 2006-7 and you'll remember that American Army soldiers and Marines were getting clobbered by improvised explosive devices in Iraq. In fact, IEDs accounted for 60 percent of American casualties. The situation was so dire that units were bolting steel plates to their Humvees for protection. That led to the development of heavy Mine Resistant Ambush Protected (MRAP) vehicles, which worked well in Iraq but not in the mountainous terrain of Afghanistan. There, the Pentagon's solution was the lighter M -ATV or MRAP All-Terrain Vehicle built by Oshkosh Defense. ... The L-ATV differs from...