Denham is proud to present their variation of the M65 jacket, the The M65 style has been part of us military livery for over 40 years. Originally introduced in 1965 to replace the M-1951 field jacket, it was used by soldiers during the Vietnam and Korean Wars and is still in official military service today. Read the article and see more at Denham: Natural Duty—A Spring Essential. Photos & text Copyright Denham. DUTY.