world war two - What is this artillery shell? - History Stack Exchange

I found this in my Grandfather’s basement. He served in World War 2, in the Pacific Theater. He sadly passed away and we have no idea if this is safe. Can anyone help with identifying this? It is 13

The Tragedy of the American Military - The Atlantic

World War I: An Overview of 1915

world war one - What was this 1917 shell casing used for? - History Stack Exchange

Was there Artillery Shell Recycling in WW2?

S. Korea indirectly supplied more 155-mm shells for Ukraine than all European countries combined: WP : r/ukraine

Artillery shell hi-res stock photography and images - Alamy

world war two - What is this artillery shell? - History Stack Exchange

world war one - What was this 1917 shell casing used for? - History Stack Exchange

What were a soldier's chances of dying in World War 2? - Quora

world war one - Which cannon could fired this Austrian brass shell case (Berndorf 1910 R)? - History Stack Exchange

Artillery shell hi-res stock photography and images - Alamy

Loading artillery shell hi-res stock photography and images - Alamy

An Army at Dawn: The War in North Africa, 1942-1943, Volume One of the Liberation Trilogy (The Liberation Trilogy, 1): Atkinson, Rick: 9780805087246: : Books

How a Chemical Weapons Disaster in WWII Led to a U.S. Cover-Up—and a New Cancer Treatment, History