30th Infantry Division

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105th ECB Chain of Command & Unit Structure:

The purpose of this page is to give you an idea as to how the U.S. Army was built in WWII. We'll cover unit size, who commanded the unit, and what their insignia looked like. As a bonus we'll show who actually commanded the 105th ECB, all the way from A Company commander to the President.

The joke in the Army goes "we support a democracy; we aren't one." The U.S. Army chain of command flowed directly from the President down to the private. Everyone was expected to follow orders, but in an intelligent manner rather than blindly like some of the other armies of the time. Initiative was encouraged. Company clerks were known to grab a bazooka and take out an attacking panzer, then go back to their post.

In WWII the Army switched from the square to the triangle system. During WWI a commander would control four units (brigade, regiment, company, etc.) in the field. This was found to be too cumbersome to keep track of, communicate with, and maneuver all the units. So they switched to the triangle structure to ease command and control problems.

This page shows the makeup of a typical engineer squad as well as an army's composition from squad all the way up to army group.

This page shows the rank insignia from private first class up to general.

"Let Us Try"

motto of the U.S. Army Corps of Engineers

Member of the World War II Historical Re-enactment Society