how many soldiers who joined the military after pearl harbor here in U.S. thought war would last until 1950?

I thought there might be some kind of way to know the answer to this question but it is also logical that no records would be there regarding this. However, I was impressed by several people I met including two of my father in laws who fought as officers in the Navy during World War II. One of them used the GI Bill to get his Master's degree from Harvard After the war in Business. 

 

begin quote from AI Overview

There is no historical record or survey showing that a specific number or group of U.S. soldiers thought World War II would last until 1950.

Key Facts

End of World War II: World War II officially ended in 1945 (with Germany surrendering in May and Japan surrendering in September), not 1950. 
Total Service Members: More than 16 million Americans served in the U.S. Armed Forces during World War II after the attack on Pearl Harbor in December 1941. 
Post-War Transition: By 1945, the U.S. military began a massive demobilization, shrinking its forces down rapidly rather than preparing for a continuous 1945–1950 world war. (The Korean War later began in 1950, which involved a new separate conflict and draft call-ups). 

If you are looking for information on World War II enlistment numbers, length of service commitments, or the transition to the Korean War in 1950, let me know how I can narrow it down for you.

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  PBS

  Timeline of conscription (mandatory military enlistment) in the U.S.

  1950 Men who served in World War II do not have to sign up. 1951 - The Universal Military Training and Service Act is passed, requ...
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  Census.gov

  August 2025: The End of World War II

  More than 16 million Americans served in the U.S. Armed Forces during World War II. Of those, 407,316 died. Here are some statisti...

  

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Research Starters: US Military by the Numbers

The National WWII Museum | New Orleans

https://www.nationalww2museum.org › student-resources

Profile of US Servicemen (1941-1945) 38.8% (6,332,000) of U.S. servicemen and all servicewomen were volunteers 61.2% (11,535,000) were draftees

Missing: here ‎thought ‎1950?

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Missing: here ‎1950?