Walter Chibroski, Jr., 77, of Great Falls, a retired Director of Cardiology with Montana Deaconess Medical Center and a retired Master Sergeant in the USAF, died on Friday, August 31, 2012 at a local hospital of natural causes.Visitation will be held at Hillcrest Lawn Memorial Chapel Saturday, September 8, 2012 one hour prior to his funeral service at 10:00 a.m., with Rev. Steve Nelson officiating. Burial will take place immediately following the service in Mount Olivet Cemetery. Schnider Funeral Home is handling the arrangements.Walter is survived by his sons and daughters-in-law, Gordie and Robin Chibroski, Randy and Becky Chibroski and Wendell and Debbie Chibroski, allof Great Falls; eight grandchildren and two great grandchildren.