Where did Americans first face combat in World War 2?

Answer 1

Assume your question refers to combat with infantry troops and excluding small commando raids.

EuropeThe first American unit to go into combat against the Germans was the 175th Field Artillery Battalion (of the 34th Infantry Division) when it provided support to British 78th Division on 19 November, 1942, at Medjez-el-Bab, Tunisia. PacificWithin a week of the attack on Pearl Harbor, the Americans in the Philippines were fighting the Japanese.