AFGHANISTAN -

A suicide bomber killed a Camp Lejeune Marine in Afghanistan, according to the victim's family.

LCpl. Caleb L. Erickson, 20, of Waseca, Minn., was killed by the suicide bomber Friday morning, his sister told ABC affiliate KSTP. The attack happened in Helmand province, Afghanistan.

The sister old KSTP that Erickson was in the gunner's turret on the last truck in a convoy. That was when the suicide bomber's vehicle crashed into the convoy. The blast knocked Erickson unconscious, and he later died at a medical facility.

Erickson was assigned to 1st Battalion, 9th Marine Regiment, 2nd Marine Division, II Marine Expeditionary Force at Camp Lejeune. He was expected to return to the U.S.  in May, his family said.

Erickson's body is expected to be brought to Dover Air Force Base in Delaware Monday afternoon.