One of the features that is now standard on JLTVs is a 250% larger rear window. The vehicle on top has the new window and was used during testing at Fort Stewart, Ga. 1st Armored Brigade Combat Team, 3rd Infantry Division Soldiers spent several days testing and giving feedback on four new features to the Joint Light Tactical Vehicle (JLTV) as part of the "Big 4" Soldier Touchpoint Event.