Navy SEAL Charles Keating IV was killed during a firefight with ISIS forces in May, but the extent of Keating’s heroism and valor in battle has only recently come to light.

According to a CNN report, Keating was part of a team of American military advisers who were assisting Kurdish forces. The Kurds and Americans were attacked on May 3, and Keating demonstrated amazing fighting skill and courage before he was taken down by an enemy’s bullet:

Keating, the grandson of financier Charles Keating Jr., was tasked to fill a “train, advise and assist” role in Iraq. He died while helping to rescue a small team of U.S. military advisers and Kurdish forces from an attack mounted by more than 100 ISIS fighters.

Keating picked up a sniper rifle, reported CNN, ascended to the top of a nearby structure and began raining fire down on the surging jihadis. At some point he was struck by an enemy’s bullet and fellow SEALS managed to get him on a chopper for evacuation—but then the chopper took fire as it took off.

By the time Keating reached a medical facility he was dead. A military spokesman only described at the time as “one of the largest” skirmishes the coalition-advised Peshmerga had experienced.

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