The Global Maritime Distress and Safety System (GMDSS) provides a fast and efficient way of calling for assistance at sea, whatever the size of craft or its geographical position. Since it was first published, this book has helped explain the system for anyone using GMDSS and has been excellent pre-...

"The purpose of this field manual is to provide a standardized source document for Army-wide reference on 'map reading' and 'land navigation'. This manual applies to every soldier in the Army regardless of service branch, MOS, or rank. This manual also contains both doctrine and training guidance on...

Explorer compass, MFG# B-51, bracket mount, black housing, 2.75" direct reading black dial, moveable sun shield, green illumination, compensators, 5 year warranty.

This Russian Version,watch type fish finder is a combo unit that allows you to choose either Wireless fish finder user mode or Clock user mode. Detects both fish location and depth in both fresh and salt water. User selectable meter (m) or feet (ft) readings and °C or °F temperature unit. Display F...