Story highlights Donald Trump told CNN on Tuesday that going into Afghanistan was not a mistake

That statement contradicts comments he made two weeks ago

Washington (CNN) Donald Trump said Tuesday the U.S. was right to invade Afghanistan after the Sept. 11, 2001, terrorist attacks -- a reversal of his position earlier this month when he called the war a "mistake."

"We made a mistake going into Iraq. I've never said we made a mistake going into Afghanistan," Trump told CNN's Alisyn Camerota on "New Day," when pressed about his comments earlier this month.

Trump told CNN's "New Day" on October 6 that he believed entering Afghanistan was a mistake and worried about U.S. forces getting stuck there.

"At some point, are they going to be there for the next 200 years? At some point what's going on? It's going to be a long time," Trump said, when asked about Afghanistan. "We made a terrible mistake getting involved there in the first place. We had real brilliant thinkers that didn't know what the hell they were doing. And it's a mess. It's a mess. And at this point, you probably have to (stay) because that thing will collapse about two seconds after they leave. Just as I said that Iraq was going to collapse after we leave."

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