DA GO 39, 1970) Killed In action Operation Iraqi Freedom OIF I 3 June 2003 – SGT Atanacio Haro Marin Jr. – C Battery – Killed in Balad, Iraq, while manning a checkpoint and his unit came under fire from small arms and rocket propelled grenades. OIF 05-07 5 January 2006 – MAJ William Hecker – Killed in An Najaf, Iraq, when an improvised explosive device detonated near their HMMWV during convoy operations. 5 January 2006 – CPT Christopher Petty – Killed in An Najaf, Iraq, when an improvised explosive device detonated near their HMMV during convoy operations. 5 January 2006 – SFC Stephen J. White – Battalion supply sergeant, Headquarters Battery – Killed in An Najaf, Iraq, when an improvised explosive device detonated near their HMMWV during convoy operations. 5 January 2006 – SGT Johnny J. Peralez, Jr. – Combat medic, Headquarters Battery – Killed in An Najaf, Iraq, when an improvised explosive device detonated near their HMMWV during convoy operations. 5 January 2006 – PVT Robbie M. Mariano – Cannon crewmember, Headquarters Battery – Killed in An Najaf, Iraq, when an improvised explosive device detonated near their HMMWV during convoy operations. 8 September 2006 – Sgt David W. Gordon – Cannon crewmember, Alpha Battery – Killed in Al Hillah, Iraq, on a designated patrol when an improvised explosive device detonated outside his HMMWV under normal combat operations. 24 December 2008 - SSG Christopher G. Smith, SPC Stephen M. Okray, SPC Stephen G. Zapasnik External links 3-16 FA Unit Facebook Page MySpace page remembering ones lost. References 016 3 Military units and formations established in 1916