Definition

Noun: A type of aerial bomb designed with a robust, heavy casing and a relatively smaller explosive charge (approximately 30% of its total weight). Its primary function is to pierce through hardened structures, such as reinforced concrete or armored surfaces, before its explosive payload detonates internally for maximum destructive effect.

Usage

This term is used specifically in military and defense contexts to describe a class of munitions engineered for destroying fortified targets. * The air force deployed penetration bombs to destroy the enemy's underground command bunker. * Modern penetration bombs often use laser or GPS guidance for increased accuracy.

Advanced Usage

• "Deep penetration bomb": A variant designed for targets buried exceptionally deep or protected by multiple layers of hardened material.
  • The mission required a deep penetration bomb capable of reaching the fortified storage facility.

Variants and Related Words

• Bunker buster: A common informal synonym for a penetration bomb, especially one designed to destroy underground bunkers.
• Hard-target munition: A broader technical category that includes penetration bombs.
• Penetrator: A general term for any munition or projectile designed to pierce armor or hardened surfaces.

Synonyms

• Armor-piercing bomb (though this often refers to anti-tank ordnance)
• Earth-penetrating weapon

Related Phrases

• "Penetrate and detonate": Describes the core two-stage function of the weapon.
  • The bomb's design ensures it can penetrate and detonate within the target's core.

Noun

1. a bomb with about 30% explosive and a casing designed to penetrate hardened targets before the explosive detonates