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U.S. drops "mother of all bombs" in Afghanistan, marking weapon's first use

Huge bomb targets ISIS
United States drops "mother of all bombs" in Afghanistan 02:24

The U.S. dropped a bomb with an explosive force equal to 11 tons of TNT on a cave complex used by the Afghanistan branch of the Islamic State of Iraq and Syria (ISIS) on Thursday, the Pentagon said.

The bomb is officially called a GBU-43 or Massive Ordnance Air Blast (MOAB), the origin of its nickname as the “mother of all bombs.” Weighing more than 21,000 lbs., the weapon is the largest non-nuclear bomb ever used in combat.

In this U.S. Air Force handout, a GBU-43/B bomb, or Massive Ordnance Air Blast (MOAB) bomb, explodes Nov. 21, 2003, at Eglin Air Force Base, Florida. Getty

The bomb was aimed at the center of an ISIS cave complex in Afghanistan, CBS News national security correspondent David Martin reports. The bomb set off a massive pressure cave that would have crushed the life out of any fighters hiding in the cave, and it sent a mushroom-like cloud into the sky, Martin reports.

U.S. drops bomb on Afghanistan 03:10

General John Nicholson, the U.S. Commander in Afghanistan, said he used the bomb so Afghan troops and their American advisers wouldn’t have to go in on the ground to clear out the caves. There are an estimated 600-800 ISIS fighters in Afghanistan, most of them located in Nangarhar province, near the Pakistan border.

The strike had been in the works for a number of months, dating back to the Obama administration, which is when the bomb itself had been moved into Afghanistan. The authority to use the bomb had been delegated to Nicholson, although he notified Washington in advance, Martin reports.

The site where the “mother of all bombs” was dropped on an ISIS complex in Afghanistan. CBS News

Nicholson sought and obtained permission to use the MOAB, but it’s unclear how far up the chain of command his request traveled, Martin reports.  

At the White House, President Trump called the mission “another very, very successful mission.” Asked if he personally authorized the strike, Mr. Trump said “everybody knows exactly what happened.”

“What I do is I authorize my military,” Mr. Trump said. “We have the greatest military in the world and they’ve done their job as usual. So, we have given them total authorization and that’s what they’re doing.”

Former Afghan president Hamid Karzai tweeted his anger at the strike, posting in a series of tweets that he “vehemently” opposed the U.S.’s action.

Sean Spicer holds short press briefing, addresses Afghanistan bombing 07:40

Earlier at the daily White House briefing, press secretary Sean Spicer declined to say whether Mr. Trump had personally authorized the use of the weapon.

Spicer said that the strike targeted a “system of tunnels and caves that ISIS fighters used to move around freely.” He said the U.S. “took all precautions necessary” to minimize civilian casualties.

A U.S. soldier was killed in combat during an operation in Nangarhar just days before.

In a statement, the U.S. command in Afghanistan said the strike was “designed to minimize the risk to Afghan and U.S. Forces conducting clearing operations in the area while maximizing the destruction of ISIS-K fighters and facilities,” using the term for ISIS’s Afghan contingent.

Officials “took every precaution to avoid civilian casualties with this strike,” the statement said.

"Mother of all bombs" dropped in Afghanistan, targeting ISIS 04:21

Marcus Weisgerber, global business editor of Defense One, tells CBS News that this heavy bomb is used to “penetrate through rock and concrete and then once they get through, they explode, creating devastation to whatever is below.”

“It was the type of weapon that was most suited for this type of mission,” Weisgerber tells CBS News. “It was a target below the ground and there are a lot of people there -- and this is the type of weapon that would neutralize that number of people.”

In March 2003, the U.S. military debuted the 21,600-lb. MOAB during a test in Florida shortly before the invasion of Iraq. The test was intended to demonstrate the “enormous incentive” Iraqi dictator Saddam Hussein had to relinquish power and “spare the world a conflict,” then-Defense Secretary Donald Rumsfeld said at the time.

The cloud of debris from the ensuing explosion in the 2003 test was visible from more than 20 miles away, according to the Air Force. U.S. and coalition forces invaded Iraq nine days later, and a MOAB was deployed to the region on April 1, 2003, but never used.

In this handout provided by the Department of Defense, A Massive Ordnance Air Blast (MOAB) weapon is prepared for testing at the Eglin Air Force Armament Center on March 11, 2003, in Valparaiso, Florida.
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