Robert John “Bob” Mogensen, 82, passed away unexpectedly on Wednesday, April 21, 2021. Bob was born on January 7, 1939, in Great Falls, MT to Florence and Jack Mogensen. He grew up in Augusta, MT. Bob enjoyed growing up in Augusta, hunting and fishing with his father, and having great times with friends. He joined the Navy when he was 17. He enjoyed his navel career and seeing the world. After leaving the Navy, he became a construction worker and enjoyed working in different parts of the U.S. He met his best friend and the love of his life, Vi Sweeney, in Great Falls. They were married on March 20, 1981. Bob was the proud father of John Robert Mogensen whom he dearly loved. He enjoyed working in his shop on cars and woodworking. Most of all he enjoyed time spent with family and friends. He had a great sense of humor and enjoyed visiting. He was a devout Jehovah’s Witness and enjoyed spreading the good news. He was a member of the Mountain View Congregation. He will be dearly missed by his wife and son. In accordance with Bob’s wishes, no services are planned. He has been cremated and will be buried by family and a few close friends.