There were certainly groups in the services in WW II who suffered much higher casualties. For example, flying in a bomber crew was very dangerous. I can't quickly find some complete stats, but for example in 1943:
>During 1943, only about 25% of Eighth Air Force bomber crewmen completed their 25-mission tours—the other 75% were killed, severely wounded, or captured.
>During 1943, only about 25% of Eighth Air Force bomber crewmen completed their 25-mission tours—the other 75% were killed, severely wounded, or captured.
https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact...