Col. John Atkinson, commanding officer of Headquarters and Service Battalion, thanks Gunnery Sgt. Carlos Perez for donating at the Armed Services Blood Program blood drive held on Sept. 11, 2018. - Col. John Atkinson, commanding officer of Headquarters and Service Battalion, thanks Gunnery Sgt. Carlos Perez for donating at the Armed Services Blood Program blood drive held on Sept. 11, 2018.

Lance Cpl. Joshua Williams, an administrative specialist, gives blood at Yale Hall on March 24, 2014. Headquarters and Service Bn. hosted the event to collect blood that could be in Afghanistan to help fellow service members within a week. - Lance Cpl. Joshua Williams, an administrative specialist, gives blood at Yale Hall on March 24, 2014. Headquarters and Service Bn. hosted the event to collect blood that could be in Afghanistan to help fellow service members within a week.