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The military has a hierarchy of planning and action that connects individual actions on the battlefield to national objectives. There are several doctrinal terms, though different countries sometimes define them slightly differently.
A good umbrella term is levels of war and military planning hierarchy. Another phrase is operational framework.
Here's how the concepts fit together.
National Policy │ Grand Strategy │ Military Strategy │ Campaigns │ Operations │ Missions │ Tactics │ Individual Actions
Let's define each one.
| Level | Purpose | Time Scale | Example |
|---|---|---|---|
| Strategy | Win the war or achieve national objectives | Months to years | Invade Normandy to liberate Western Europe |
| Campaign | Achieve one major strategic objective | Weeks to months | Normandy Campaign |
| Operation | Accomplish one major part of a campaign | Days to weeks | Operation Cobra |
| Mission | Specific assigned task | Hours to days | Capture Hill 192 |
| Tactics | How units fight | Minutes to hours | Flanking attack on enemy position |
1. Strategy
Strategy answers:
"How do we achieve the nation's military objectives?"
It connects military power with political goals.
Examples:
- Defeat Germany before Japan in WWII ("Germany First")
- Defend Taiwan from invasion
- Destroy an enemy's ability to wage war
Strategies allocate:
- people
- money
- logistics
- alliances
- military forces
A strategy may take years.
2. Campaign
A campaign is a series of operations designed to achieve one strategic objective.
Think of it as:
One major chapter of the war.
Example:
World War II
Strategy:
Liberate Europe.
Campaign:
Normandy Campaign (June–August 1944)
Goal:
Establish Allied control over northern France.
Campaigns contain many operations.
3. Operation
Operations are coordinated military efforts that accomplish parts of a campaign.
They involve:
- multiple units
- planning
- logistics
- timing
- objectives
Example:
Operation Cobra
Purpose:
Break out of the Normandy beachhead.
It included:
- armored divisions
- infantry
- air support
- engineers
- logistics
Once Cobra succeeded, the campaign advanced.
4. Mission
A mission is an assigned task given to a unit or individual.
It answers:
What must this unit accomplish?
Examples:
- Secure Bridge A by 0600.
- Rescue hostages.
- Defend this intersection.
- Destroy radar installation.
- Patrol Sector Charlie.
Every operation consists of many missions.
5. Tactics
Tactics answer:
How do we fight this battle?
Tactics are the methods used during combat.
Examples:
- flank the enemy
- ambush
- suppressive fire
- infiltration
- artillery barrage
- use drones for reconnaissance
- establish defensive positions
Two commanders may have the same mission but use different tactics.
Putting It Together
Imagine WWII.
Strategy
Liberate Western Europe.
↓
Campaign
Normandy Campaign
↓
Operation
Operation Cobra
↓
Missions
- Capture village.
- Destroy bridge.
- Secure crossroads.
- Protect supply route.
↓
Tactics
- Tanks attack from west.
- Infantry advances through hedgerows.
- Engineers clear mines.
- Aircraft strike enemy reserves.
Everything supports the level above it.
Another Example: A Football Team
Military terminology is often compared to sports.
Strategy
Win the championship.
Campaign
Win the playoffs.
Operation
Win today's game.
Mission
Score on this drive.
Tactics
Call a play-action pass.
The hierarchy is similar.
Another Example: Building a House
Strategy
Build a family home.
Campaign
Complete the foundation phase.
Operation
Pour the concrete foundation.
Mission
Finish the east wall today.
Tactics
Use a particular construction method and sequence.
Another Example: Business
Strategy
Become the leading electric vehicle manufacturer.
Campaign
Launch a new product line in North America.
Operation
Open a new manufacturing plant.
Mission
Install the battery assembly line.
Tactics
Train workers, optimize workflows, and use automation to reduce production time.
The Levels of War
Modern military doctrine often groups activities into three broad levels of war:
Strategic Level
Concerned with national goals.
Questions include:
- Why are we fighting?
- What are the political objectives?
- What resources are available?
Operational Level
Bridges strategy and tactics.
Questions include:
- Which campaigns?
- Which operations?
- In what sequence?
Campaigns and operations are planned here.
Tactical Level
Concerned with winning battles and engagements.
Questions include:
- How do we take this hill?
- Which formations should we use?
- Where do we position artillery?
Missions and tactics are executed here.
How They Influence One Another
The hierarchy works both top-down and bottom-up:
- Top-down: National leaders set strategy. Commanders design campaigns and operations. Units receive missions and choose tactics.
- Bottom-up: Tactical success can enable operational success, which advances a campaign and supports the overall strategy. Conversely, repeated tactical failures can jeopardize operations, campaigns, and even the strategy itself.
This is why military thinkers often say that tactics win battles, operations win campaigns, and strategy wins wars. A brilliant tactical victory has limited value if it doesn't contribute to the campaign or strategic objective, while an excellent strategy can still fail if operations, missions, and tactics cannot successfully carry it out.
