An unguided bomb, also known as a free-fall bomb, gravity bomb, dumb bomb, or iron bomb, is an aircraft-dropped bomb (conventional or nuclear) that does not contain a guidance system and hence simply follows a ballistic trajectory.

The Mark 82 is a 500-pound (230 kg) unguided, low-drag general-purpose bomb, part of the United States Mark 80 series. The explosive filling is usually tritonal, though other compositions have sometimes been used.

A guided bomb (also known as a smart bomb, guided bomb unit, or GBU) is a precision-guided munition designed to achieve a smaller circular error probable (CEP). [1] [2] The creation of precision-guided munitions resulted in the retroactive renaming of older bombs as unguided bombs or "dumb bombs".

Sep 6, 2024 · A guided bomb unit is a type of air-delivered PGM. While there are different types of GBUs, the most common ones use unguided, free-fall bombs (i.e., dumb bombs) as the warhead to which a guidance system and control surfaces are attached.

Feb 19, 2020 · Per the Air Force budget, a standard, unguided Mk 82 500-pound class bomb has a unit price of $4,000, while 2,000-pound class Mk 84 unguided bombs cost $16,000 apiece.

Mar 4, 2025 · Discover the critical differences between guided bombs and unguided bombs in bomber aircraft operations, examining their effectiveness, innovations, and historical case studies.

Originally dropped as an unguided bomb (sometimes referred to as an ‘iron’ or ‘dumb’ bomb), early versions of the Mk 82 were only able to hit their target 5.5% of the time, requiring large numbers of bombs to be dropped (Blackwelder, 1993).

Dec 15, 2023 · According to reports from CNN and The Washington Post, the U.S. intelligence community believes that up to 45 percent of the bombs Israel has dropped in Gaza were unguided, a tactic that...

Mar 22, 2003 · Physicians who treat trauma injuries point out the simple truth that weapons like JDAM are designed to kill. The Mark-84 JDAM is a 2,000-pound "dumb" or unguided bomb of the type used by U.S....

3 days ago · The original B61 gravity bomb was created in 1968, making it the oldest nuclear weapon in America’s arsenal. “The B61-13 will provide the president with additional options against certain ...