Model name: USAF GBU-57 MOP "Bunker Buster"
Application: Collection,Souvenir Gift, Home Office Decoration,Educational,Model display
Age Range: > 14 years old
Type: 3D printed model
Material: PETG Plastic
Scale: 1:20
Size: approx 31cm(L)/12.2inch(L)
Package:Missile model kit,Display stand,Simple packaging
The GBU-57 Massive Ordnance Penetrator (MOP): America's "Bunker Buster"
The GBU-57 Massive Ordnance Penetrator (MOP) is a United States Air Force-designed, precision-guided, massive penetration bomb. It represents the leading edge of America's "bunker-busting" capability, specifically engineered to destroy deeply buried and hardened high-value targets that are immune to conventional weapons.
Key Features
Massive Size and Weight:
The MOP is a 30,000-pound (approximately 14,000 kg) class weapon, making it the largest conventional precision-guided penetrator in the U.S. arsenal.
Advanced Penetration Capability:
Its primary purpose is to penetrate deeply before detonating. It is designed to smash through up to 200 feet (61 meters) of 5,000 psi (pounds per square inch) reinforced concrete or about 26 feet (8 meters) of 10,000 psi reinforced concrete. It can also breach thick layers of rock and other hardened materials.
This is achieved through a robust, high-strength steel casing and a specialized, delayed-action fuze that allows the bomb to bore deep into the target before exploding.
Precision Guidance:
The MOP is a "GBU" (Guided Bomb Unit), meaning it is not a free-fall bomb. It uses a GPS/INS (Global Positioning System/Inertial Navigation System) guidance kit. This allows it to be dropped from a high altitude and accurately strike its designated coordinates, even in adverse weather conditions, minimizing collateral damage.
Enhanced Explosive Power:
It carries over 5,300 pounds (2,400 kg) of a powerful high explosive known as AFX-757. The combination of deep penetration and a massive warhead ensures the destruction of the internal structure of a fortified facility.
Deployment Platform
The MOP is too large to be carried by most aircraft. Its primary and only operational carrier is the Northrop Grumman B-2 Spirit stealth bomber. The B-2's large payload capacity and stealth characteristics allow it to penetrate sophisticated air defenses and deliver the MOP against heavily protected targets deep inside enemy territory.
Mission and Strategic Purpose
The MOP was developed to counter the growing threat of hardened and deeply buried targets (HDBTs). These include:
Underground Command and Control Centers
Weapons of Mass Destruction (WMD) Storage Facilities
Deeply Buried Nuclear Enrichment Facilities
Leadership Bunkers
Key Infrastructure Hardened against Attack
Its existence serves as a powerful deterrent, signaling to potential adversaries that even their most fortified installations are vulnerable.
Development and Evolution
The MOP was developed by the U.S. Air Force Research Laboratory and Boeing. It achieved initial operational capability in the 2010s. The weapon has undergone several upgrade programs to further enhance its effectiveness against even more resilient targets. These upgrades have focused on improving the fuze technology, the penetrator casing, and the guidance system to ensure it can defeat evolving enemy defenses.
In summary, the GBU-57 MOP is a critical component of the U.S. strategic arsenal. It is a weapon of immense power and precision, providing the military with a unique and unparalleled capability to hold the world's most hardened and protected targets at risk.