Submarine Operations
Explore the fascinating world of submarine operations, tactics, and missions throughout history.
About Submarine Operations
US submarines have played crucial roles in various conflicts throughout history, particularly during World War II. Their operations ranged from reconnaissance and intelligence gathering to direct combat engagements and support missions.
This page provides information about the various types of submarine operations, tactical approaches, and the evolution of submarine warfare doctrine.
Types of Operations
War Patrols
Combat patrols were the primary mission of WWII submarines. Boats would patrol assigned areas, hunting enemy shipping and naval vessels. Patrols typically lasted 30-60 days.
- Ship and tanker hunting
- Naval engagement
- Commerce disruption
- Area denial
Reconnaissance
Submarines were ideal for covert reconnaissance missions, gathering intelligence on enemy positions, movements, and installations.
- Beach reconnaissance for amphibious landings
- Photo reconnaissance
- Harbor surveillance
- Weather reporting
Lifeguard Duty
During air raids, submarines stationed near enemy territory rescued downed airmen from the water, saving hundreds of lives.
- Stationed near bombing targets
- Aircrew rescue operations
- Surface ship rescue
- Over 500 airmen saved in WWII
Supply & Transport
Submarines transported supplies, personnel, and special forces to and from isolated or enemy-held areas.
- Guerrilla support in Philippines
- Special forces insertion
- Ammunition and supplies transport
- Evacuations of key personnel
Mine Laying
Some submarines were equipped to lay mines in enemy waters, creating hazards for enemy shipping lanes and harbors.
- Harbor entrances
- Shipping lanes
- Strategic waterways
- Covert deployment
Communication & Coordination
Submarines served as radio relay stations and coordination platforms for multi-boat operations and intelligence gathering.
- Wolf pack coordination
- Radio relay
- Intelligence transmission
- Weather reporting
Tactical Approaches
Submerged Attack
The classic approach: submerged approach using periscope observations, calculating firing solutions, and launching torpedoes while avoiding detection.
Night Surface Attack
Particularly effective in the Pacific, submarines would surface at night to use their deck guns and higher speed for attacks and repositioning.
Wolf Pack Tactics
Coordinated attacks by multiple submarines, sharing intelligence and attacking convoys from multiple angles simultaneously.
Evasion & Escape
Silent running, deep diving, use of thermal layers, and noise discipline to evade depth charge attacks and enemy detection.
Related FAQs
For more detailed information about submarine operations, see these FAQ categories:
WWII Pacific Theater Statistics
1,560
Enemy Ships Sunk
52
US Submarines Lost
288
Active Submarines
1,682
War Patrols
US submarines accounted for approximately 55% of all Japanese shipping losses during WWII, while representing only 2% of the US Navy.