U.S. President Donald Trump took to social media on Tuesday to comment on a recent New York Times (NYT) story regarding North Korea’s development of domestic missile bases, calling the report “inaccurate” and saying its findings were “nothing new.”

The NYT story, issued on Monday, was based on two reports published by the Center for Strategic and International Studies (CSIS) in Washington D.C. that claimed to have identified 13 of 20 undeclared North Korean missile operating bases.

The main report concentrated on the undeclared operational missile base for short-range ballistic missiles (SRBMs) known as Sakkanmol.

The NYTarticle, which was