Complex sentence: A "V" device is a metal capital letter "V" with serifs, which is used as a ribbon attachment to denote valor when authorized for wear on certain United States military decorations awarded for heroism in combat.
Split into simpler sentences: A "V" device is a metal capital letter "V" with serifs. The devise is used as a ribbon attachment to denote valor when authorized for wear on certain United States military decorations awarded for heroism in combat.