NAVAIR

Joint Direct Attack Munition (JDAM)

Specifications

Primary Function: Guided air-to-surface weapon.
Contractor: Boeing Corporation.
Unit Cost: Approximately $20,000.
Length: (JDAM and warhead) GBU-31 (v) 2/B: 152.7 inches (387.9 centimeters); GBU-31 (v) 4/B: 148.6 inches (377.4 centimeters); GBU-32 (v) 2/B: 119.5 inches (303.5 centimeters); GBU-38/B: 92.64 inches.
Wingspan: GBU-31: 25 inches (63.5 centimeters); GBU-32: 19.6 ins. (49.8 centimeters).
Weight: (JDAM and warhead) GBU-31 (v) 2/B: 2,036 pounds (925.4 kilograms); GBU-31 (v) 4/B: 2,115 pounds (961.4 kilograms); GBU-32 (v) 2/B: 1,013 pounds (460.5 kilograms); GBU-38/B: 590 pounds.
Ceiling: 45,000-plus feet (13,677 meters).
Range: Up to 15 miles (24 kilometers).
Guidance System: Global Positioning System (GPS)-aided Inertial Navigation System