
U.S. bombed Iran’s deepest nuclear sites. Should North Korea be worried?
Published: 22 Jun. 2025, 18:27 Updated: 22 Jun. 2025, 18:40 Audio report: written by reporters, read by AI The GBU-57, or Massive Ordnance Penetrator, is an air-dropped, ultra-heavy bomb designed to burrow deep underground before detonation. Capable of …