🌐EnglishEnglishEspañolFrançaisTürkçeالعربيةفارسیEntityQ7249082· pop 5· linked from 22 articlesProject ExcaliburAlso known as ExcaliburAnti-missile system using x-ray laser powered by a nuclear bombAvailable in 4 languagesEspañolFrançaisفارسیvia Wikidata sitelinks · CC0Connectionsnuclear weaponEntityUnited States National Security CouncilEntityCategoriesAnti-ballistic weaponsCold War weapons of the United StatesDirected-energy weaponsNuclear weapons program of the United StatesStrategic Defense Initiative