Soldiers from the 4th Maneuver Enhancement Brigade donated 173 units of blood in one three-day drive which earned them the No. 9 spot on the Fort Leonard Wood Blood Donor Center’s list of Top 10 Donating Units in 2013. - Soldiers from the 4th Maneuver Enhancement Brigade donated 173 units of blood in one three-day drive which earned them the No. 9 spot on the Fort Leonard Wood Blood Donor Center’s list of Top 10 Donating Units in 2013.