Across
- 2. device used to determine location of troops
- 3. A device used to send messages and signals
- 7. handheld weapon that was used by officers to signal other comrads
- 8. a long narrow ditch
Down
- 1. transportation mode for moving goods on the earth's surface
- 4. first ever submarine used in civil war
- 5. A gun used that holds only one bullet at a time during the civil war
- 6. boat used to destroy wooden boats