page_title: Joint Direct Attack Munition
hierarchical_section_title: Joint Direct Attack Munition
caption_attribution_description: JDAM kits fitted to unguided General Purpose Bombs. Originally a USAF image, downloaded hi-res image from a defense industry journal.
context_page_description: The Joint Direct Attack Munition is a guidance kit that converts unguided bombs, or "dumb bombs" into all-weather "smart" bombs. JDAM-equipped bombs are guided by an inertial guidance system connected to a Global Positioning System receiver. This gives them a range of up to 15 nautical miles. JDAM-equipped bombs range from 500 pounds to 2,000 pounds. When installed on a bomb, the JDAM kit is given a GBU nomenclature which takes the place of the normal "dumb bomb" nomenclature to which it is attached. JDAM is a joint project of the United States Air Force and the United States Navy.
context_section_description: The Joint Direct Attack Munition (JDAM) is a guidance kit that converts unguided bombs, or "dumb bombs" into all-weather "smart" bombs. JDAM-equipped bombs are guided by an inertial guidance system connected to a Global Positioning System (GPS) receiver. This gives them a range of up to 15 nautical miles (28 km). JDAM-equipped bombs range from 500 pounds (227 kg) to 2,000 pounds (907 kg). When installed on a bomb, the JDAM kit is given a GBU (Guided Bomb Unit) nomenclature which takes the place of the normal "dumb bomb" nomenclature to which it is attached. JDAM is a joint project of the United States Air Force and the United States Navy.
caption: JDAM family
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