What does G I stand for in G I generation?

The "G.I." in G.I. Generation stands for "Government Issue" or "General Issue." This term was originally used to describe the equipment and supplies provided to American soldiers during World War II. The G.I. Generation typically refers to those born between the early 1900s and the mid-1920s, who grew up during the Great Depression and fought in or were significantly impacted by World War II.