钻地弹是携带钻地弹头(又称侵彻战斗部),用于对机场跑道、地面加固目标、深入地下的指挥中心等目标和工事进行攻击的对地攻击弹药。常规深钻地武器主要是指能钻进18米混凝土或钻进90米以上普通土层的普通导弹和制导炸弹。经过多年的努力,与钻地弹有关的技术已经取得了极大地进展,据报导,美军新一代钻地弹计划于2010年前后开始装备部队。 Earth-borne bombs are ground-attack ammunition that carry earth-boring warheads (also known as penetration warheads) to attack targets and fortifications such as airport runways, ground reinforcement targets and command centers deep underground. Conventional deep-ground weapons are mainly ordinary missiles and guided bombs that can drill into 18 meters of concrete or drill over 90 meters of ordinary soil. After years of hard work, great progress has been made in the technology related to earth-boring earthquakes. It is reported that a new generation of land-based missiles for the U.S. military plans to begin to equip troops around 2010.