Sergeant Stubby. Pitbull Highest decorated dog ever, and earned it on the front lines.
The General Pershing Personally presenting Stubby with his medals. WW1
Stubby was also probably an early Pitbull Boston Terrier dog, PB was bred to a With English Terrier, French Bulldog in the mid/late 1800s, and many crosses were still around. Boston Terrier was a cross of a fighting PB, French Bulldog and an English White Terrier. Many Pure early PBs only weighed 15lbs, and as large as 100+. PB has the widest weight range, and color of any breed.
Original Boston Terrier could be as large as 44lbs.