* He was a war correspondent: Caniff was a correspondent for the United States Army Air Forces during World War II. He was assigned to the 8th Air Force in England and covered the bombing raids over Europe. This experience heavily influenced his work, particularly his popular comic strip "Terry and the Pirates."
* He incorporated his experiences into his art: Caniff's war experiences are evident in the themes of bravery, adventure, and the dangers of war that he depicted in his strips. He also often drew inspiration from the real-life heroes and events he witnessed during his time in the war.
* He was a member of the Army Air Forces Cartoonists Club:** While not directly drawing for military publications, Caniff was part of this club, which used cartooning to boost morale and entertain troops.
So while Caniff wasn't a cartoonist *directly* involved in creating propaganda or other official war-related cartoons, his time as a war correspondent had a profound impact on his artwork and helped shape his iconic style.