Which branch of the U.S. military first used the highly successful recruitment slogan "Be All You Can Be" in their advertising campaigns?

Throughout history, military recruitment has relied on powerful advertising campaigns to attract new service members. These campaigns often become cultural touchstones, reflecting both military needs and societal values of their time. This poll tests your knowledge about one of the most successful and enduring military recruitment slogans that transformed military branding and recruitment strategies. Can you identify the correct origin of this iconic campaign?

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U.S. Marine Corps
U.S. Army
U.S. Navy
U.S. Air Force