Sidney High School Alumni
Sidney, Montana (MT)

Recent Members
Bob Thilmony | 1983 |
Brittny Asbury Kallevig | 2003 |
Deserae Wirth | 2012 |
Kenzie Gaffield | 2005 |
Kim Ellwein | 1974 |
Shirley Shirley Iversen | 1964 |
Tena Kuylen | 2000 |
Zoe Lawrence-gutierrez | 2022 |
Military Alumni
Honoring Our Heroes
This area is dedicated to our alumni that have served or are serving in our armed forces!
Lost Class Rings
Have you lost your Sidney High School class ring? Have you found someone's class ring? Visit our Eagles lost class ring page to search for your class ring or post information about a found ring.
Honored Military Alumni

Gordon Henderson
Class of 1962
Air Force, 20+ Years
Electronic engineering & maintenance, computer ops
Class of 1962
Air Force, 20+ Years
Electronic engineering & maintenance, computer ops

Ian MacFarlane
Class of 1997
Army, 6 Years
In the army 6 years now. Still serving and proud. Have 2 going on three deployments, on to Iraq for 15 months and 1 to Afghanistan for 12 months. Unfortuntely I lost 8 friends in a big attack in which I was there also. I am now a SGT and have unfortunatley recieved a purple heart for wounds in combat.
Class of 1997
Army, 6 Years
In the army 6 years now. Still serving and proud. Have 2 going on three deployments, on to Iraq for 15 months and 1 to Afghanistan for 12 months. Unfortuntely I lost 8 friends in a big attack in which I was there also. I am now a SGT and have unfortunatley recieved a purple heart for wounds in combat.


John Rossman
Class of 1990
National Guard, 5 Years
Served National Guard from 1990-1995
Class of 1990
National Guard, 5 Years
Served National Guard from 1990-1995



Michael Sifers
Class of 2005
Air Force, 2 Years
Aerospace Ground Equipment Technician
Class of 2005
Air Force, 2 Years
Aerospace Ground Equipment Technician


Robert Levno
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes, Ill 3.5 mo.
Naval Station Key West, Fl - 6 mo
USS ENTERPRISE CVAN-65 - 2.5 yrs
Naval Supply Center, Oakland, CA - 2 yrs
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes, Ill 3.5 mo.
Naval Station Key West, Fl - 6 mo
USS ENTERPRISE CVAN-65 - 2.5 yrs
Naval Supply Center, Oakland, CA - 2 yrs

Robert Levno
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes Illinois
Naval Station Key West, Florida
USS ENTERPRISE CVAN-65 2 1/2 YRS
Naval Supply Center, Oakland, CA 2 yrs
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes Illinois
Naval Station Key West, Florida
USS ENTERPRISE CVAN-65 2 1/2 YRS
Naval Supply Center, Oakland, CA 2 yrs

Robert Levno
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes, Ill
6 mo in Key West, Fl
USS ENTERPRISE CVAN65 - 4/64 - 11/66
Around the World Cruise - 65 days w/o replenishment
Vietnam cruise 65-66 - First nuclear task force in combat
Naval Supply Center, Oakland, CA 12/66-9/68
Class of 1964
Navy, 5 Years
Boot Camp - Great Lakes, Ill
6 mo in Key West, Fl
USS ENTERPRISE CVAN65 - 4/64 - 11/66
Around the World Cruise - 65 days w/o replenishment
Vietnam cruise 65-66 - First nuclear task force in combat
Naval Supply Center, Oakland, CA 12/66-9/68

Scott Rounce
Class of 1970
Air Force, 25 Years
Satellite Acquisition project manager. Tours in Los Angeles (4), Colorado Springs (1), Washington DC (2), Omaha (1)
Class of 1970
Air Force, 25 Years
Satellite Acquisition project manager. Tours in Los Angeles (4), Colorado Springs (1), Washington DC (2), Omaha (1)

Steven Guldseth
Class of 1970
Air Force, 20+ Years
Navigational Aids Technician, Instructor. Chief of Maintenance, Command Inspector General, Director of Education,Logistics
Class of 1970
Air Force, 20+ Years
Navigational Aids Technician, Instructor. Chief of Maintenance, Command Inspector General, Director of Education,Logistics

Terry Lee Hamburg
Class of 1970
Army, 20+ Years
Colonel, Master Flight Surgeon, Special Ops, Retired, Multiple combat tours including Iraq, Afghanistan, Bosnia, and Somalia; SME for Counterterrorism.
Class of 1970
Army, 20+ Years
Colonel, Master Flight Surgeon, Special Ops, Retired, Multiple combat tours including Iraq, Afghanistan, Bosnia, and Somalia; SME for Counterterrorism.
Alumni Stories

Read and submit stories about our classmates from Sidney High School, post achievements and news about our alumni, and post photos of our fellow Eagles.
School News
Class of 1971 50th Reunion
Attached is a pdf on information about the 50th class reunion. Hope to see everyone there!
Read More »
Our Sidney High School military alumni are some of the most outstanding people we know and this page recognizes them and everything they have done! Not everyone gets to come home for the holidays and we want our Sidney High School Military to know that they are loved and appreciated. All of us in Sidney are proud of our military alumni and want to thank them for risking their lives to protect our country!