Kristoffer Domeij, who was killed during his 14th deployment Saturday, served more than any other Army ranger who died in action.

Kristoffer Domeij (Image via YouTube)

Domeij was killed in Afghanistan's Kandahar province when the assault force he accompanied triggered an unseen roadside bomb, ABC News reports. He was 29.

Killed alongside Domeij were First Lt. Ashley White, 24, a Cultural Support Team member, and fellow Ranger Pvt. 1st Class Christopher A. Horns, 20.

Domeij grew up in San Diego and Colorado Springs, and lived in Lacey, Wash. He was awarded two Bronze Stars in his lifetime for his four deployments in Iraq and nine trips to Afghanistan. He will receive another Bronze Star posthumously. .

ABC News reports that while Rangers often serve short tours of duty, “they see a constant churn of intense combat missions [during the tours].”

On average, a Ranger battalion conducts an incredible 400 - 500 missions during a combat deployment. Rangers are among the Army’s most elite special operations forces.

Battalion commander, Lt. Col. David Hodne said of Domeij Thursday: “This was a Ranger you wanted at your side when the chips were down... He is irreplaceable - in our formation and in our hearts.”

Domeij was married and had two young daughters.