Baghdad, Iraq, Apr. 10, 2004: First Sgt. Casey Carson, Company C, 2nd Battalion, 5th Cavalry Regiment, 1st Cavalry Division, adjusts the dogtags of one of the fallen soldiers before the start of a memorial service of seven comrades killed in fighting in the Sadr City neighborhood of Baghdad on April 4, the day that later be known as Black Sunday.

Eight soldiers lost their lives that day, seven from 2nd Battalion:

Sgt. Yihjyh “Eddie” Lang Chen, Spc. Robert R. Arsiaga, Spc. Ahmed A. Cason, Spc. Israel Garza, Spc. Stephen D. Hiller, Cpl. Forest J. Jostes, and Spc. Casey Sheehan.

Sgt. Michael W. Mitchell of the 1st Armored Division was memorialized earlier in the day. He was part of a quick response team that rushed out of Forward Operating Base Eagle to rescue a platoon pinned down by gunfire in Sadr City after what had been a routine patrol by four Humvees.

More than 60 others were wounded in the battle.

Read more about the dark day and the memorial service here.