Porpoise (SS-172) War Patrol 4

Timelines

• Campaigns and Battles Timeline
• World War II Calendar
• World War II Timeline

Documents and Books

• World War II DocumentsUPDATED
• British War Blue Book
• French Yellow Book
• Surrender Documents
• Treaties and Agreements
• Books on World War II

Reference

• World War II Photo Gallery
• Battles of World War II
• Ships of World War II
• Aircraft of World War II
• Countries of the World

Casualties & Losses

• Casualty Numbers by Country
• United States Casualties of World War II

Glossaries & Terms

• Code Names
• Abbreviations