Chairman of the Joint Chiefs of Staff U.S. Air Force Gen. Dan Caine revealed what one of the pilots said to him after seeing the blast from the strike on the Iranian nuclear facility at Fordow.

Caine said the pilot, who was in a jet trailing the B-2 bombers that dropped the bunker-busters on the target: “This was the brightest explosion that I’ve ever seen, it literally looked like daylight.”

The Pentagon was giving a briefing on Thursday morning about the bombing raid, giving more details about the operation and those involved.

This is a developing article. Updates to follow.