Edward John McClernand (December 29, 1848 February 9, 1936) was a United States Army Brigadier General who was a recipient of the Medal of Honor for valor in action near the Bear Paw Mountains, Montana on September 30, 1877. An 1870 graduate of West Point, his career spanned 42 years, as he served in the Army until his retirement on December 29, 1912.

Based on that paragraph can we conclude that this sentence is true?
Edward John McClernand, who died in 1936 and served until his retirement, was a United States Army Brigadier General. He received the Medal of Honor for valor in action. An 1870 graduate of West Point, his career spanned more than 30 years.
Yes