"It's like an earthquake when it lands," said Aref al-Aref, a resident of eastern Aleppo who lives close to Tariq al-Bab, the site of another alleged bunker buster explosion.
The missing men were last seen inside the bunker before the explosion.
A 4-iron into the left bunker, a loose explosion that stopped 20 feet past the pin, and the slide was on.
On Monday afternoon, sensing that Mr. Dykes was becoming rattled and that the threat to the boy was growing, the authorities dropped two devices into the bunker that created loud explosions, heard by people across a highway.
The night before September 11th, word emerged that nearly the entire top echelon of Ahrar al-Sham, an Islamist rebel group waging war against Mr Assad's regime, had died in a mysterious explosion at a bunker where they were secretly meeting.
He hopped into the No. 4 greenside bunker to try a few explosion shots and found that the fluffy sand complicated matters when he caught his first shot thin and sailed the ball over the green into the chasm leading to Stillwater Cove.
The resulting explosion silenced the enemy bunker at the cost of Sabo's life.
The Navy's report blamed an external cause, believed by many to be a Spanish mine or bomb, for the sinking of Maine (modern reports have suggested an internal explosion within a coal bunker).
The bunker buster is loaded with explosives and equipped with a fuse that delays its explosion until after the bomb has penetrated its target.
A wide array of chemical munitions and fuels, as well as advanced antitank and ground-to-air missiles, are manufactured there, and satellite imagery appeared to show a bunker suitable for testing very large explosions.
