Dimock's memorial is planned Tuesday at Wildwood Presbyterian Church, along with a military tribute and burial at Highland Memorial Park in Gurnee. Dimock was from Wildwood and went to high school in Gurnee.
Dimock was assigned to Company E, 1st Battalion, 75th Ranger Regiment, Hunter Army Airfield in Georgia. He previously served in Iraq and was serving his second Afghanistan deployment.
Dimock was awarded several medals during his military career.
The Associated Press contributed to this report.