Here, in this conference:
View: https://www.youtube.com/live/9JYvcEVlu3s
At about 20:30 you hear the question and the answer that follows included this:
“That stuff is so far down under a mountain. It's a granite mountain that collapsed on top of it... take months to get it out. Uh I think it's a tremendous success... nobody is going to be able to get it except us (the U.S.) because we have the equipment.”
The reality is the operation that dropped that mountain on top of the nuclear material happened nearly a year before the start of this war.