What type of bombs does the term "GBU" refer to?

The term "GBU" stands for Guided Bomb Units. This designation is used to categorize a variety of precision-guided munitions, which are designed to strike targets with high accuracy while minimizing collateral damage. Guided bombs incorporate guidance systems, such as GPS or laser, to ensure that they can be directed toward specific targets, making them highly effective in modern combat scenarios.

The use of "Guided Bomb Units" encompasses numerous types of weapons within the U.S. military's inventory, highlighting their capability to follow a predetermined flight path and adjust in-flight for optimal target acquisition. This classification is crucial for understanding the advances in munitions technology that focus on improving target precision and effectiveness, which is fundamental in contemporary warfare operations.