Adventurer
U. S. Army Sergeant
L.A.W.
Exceptional hand-to-hand combatant schooled in a wide variety of fighting techniques.
Judomaster
Special War Series
Note: Judomaster was one of several superheroes published by Charlton Comics during the 1960's, which were cancelled in lot by 1967.
Charlton's stable of characters was briefly controlled by independent publisher Americomics in the 1980's and then acquired by DC Comics. Charlton superheroes would appear in DC continuity during the Crisis on Infinite Earths.
While serving in the Pacific, Sergeant Jagger lead a group of soldiers onto an island, where he saved a young native girl from an enemy sniper.
Saved in return from certain death by a group of enemy soldiers, Jagger recovered to learn that his company was killed. In gratitude for saving the girl, the tribe's leader, her grandfather offered to teach Jagger the physical and spiritual art of Judo.
Mastering the art quickly Jagger used his skills to liberate the island and returned to the war as the Judomaster.