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- Fought the first land battle of the Civil
War, attacking Phillipi, Virginia
- Developed and used the concept of "theatre
of operations" in Western Virginia
- Developed the Civil War's first and only
only complete , multi-theatre strategic plan for winning
- Appointed the first Chief of Staff in
- Commissioned the first wartime U.S. intelligence
- Made the first intelligence analysis staff
- Appointed the first Chief Signal Officer
in U.S. history.
- Created the first U.S. Signal Corps.
- Deployed the first U.S. wireless (visual)
- Deployed the first U.S. wireless (electronic)
- Conducted the first military "conference
call" with live, three-way telegraphic conversation.
- Deployed the first U.S. aeronautical units.
- Created and deployed the first army-level
- Conducted the Union's first successful
- Pioneered the use of battlefield and general
- Pioneered the entrenched tactical defence
and entrenched offence in battle.
- First to plan, prepare and train for large
scale amphibious assualt operations prior to WWII.
- First to create and deploy large engineer
- Conducted the largest seaborne movement
of troops in U.S. history before the 20th Century.