How a Private's 15-Foot Climbing Trick Destroyed an Unbeatable Japanese Cave Position in Seconds

Описание: On March 14, 1945, a 19-year-old Marine private named Franklin Sigler faced an impossible problem: a Japanese Type 92 heavy machine gun embedded in a cave had already killed 23 Marines and stopped every assault for two days. Artillery couldn't touch it. Demolition teams couldn't reach it. Frontal attacks were suicide.
Then Sigler saw what no one else had seen—the solution wasn't in front of the cave. It was above it.
What happened next would change U.S. Marine Corps doctrine forever and introduce a new way of thinking about cave warfare that's still taught today. This is the story of how one teenager with four grenades, a dangerous climb, and an understanding of physics turned gravity into the deadliest weapon on Okinawa.
This is the true story of the Battle of Bloody Gorge, the vertical assault tactic that saved Fox Company, and the Medal of Honor action that military historians say rewrote the field manual on confined-space combat.
TIMESTAMPS:

0:00 - The Impossible Problem
2:15 - Bloody Gorge: Geography of Death
6:30 - The Type 92 Machine Gun: Why It Couldn't Be Stopped
9:45 - First Assault: 14 Dead in Three Hours
13:20 - Artillery Barrage: 30 Minutes of Hell That Changed Nothing
16:10 - Second Assault: The Demolition Team Massacre
19:40 - Franklin Sigler: The Man Who Saw What Others Missed
22:30 - The Climb: 15 Feet Above Hell
26:15 - The Physics of Confined Blast: Why Grenades Work Differently in Caves
28:50 - Cooking the Grenades: The Two-Second Decision
30:45 - The Sniper Shot: Wounded and Fighting for Two Hours
33:20 - The Aftermath: How One Action Changed Marine Corps Doctrine
35:15 - Legacy: From Okinawa to Afghanistan

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BIBLIOGRAPHY / SOURCES

Medal of Honor Citation: Sigler, Franklin E., Private First Class, U.S. Marine Corps. Official Citation, October 5, 1945. National Archives and Records Administration, Washington, D.C.
After Action Reports: 2nd Battalion, 22nd Marine Regiment, 1st Marine Division. March 1945. Marine Corps Historical Division, Quantico, Virginia.
Unit Diary: Company F, 2nd Battalion, 22nd Marines. March 14-15, 1945. Marine Corps Archives.

Appleman, Roy E., James M. Burns, Russell A. Gugeler, and John Stevens. Okinawa: The Last Battle. United States Army Center of Military History, 1948. Washington, D.C.: Government Printing Office.
Sledge, Eugene B. With the Old Breed: At Peleliu and Okinawa. Presidio Press, 1981. (Context on 1st Marine Division operations and cave warfare tactics)
Frank, Benis M. and Henry I. Shaw Jr. Victory and Occupation: History of U.S. Marine Corps Operations in World War II, Volume V. Historical Branch, G-3 Division, Headquarters, U.S. Marine Corps, 1968.
Hallas, James H. Killing Ground on Okinawa: The Battle for Sugar Loaf Hill. Praeger, 1996. (Tactical analysis of cave warfare in southern Okinawa)