Here's the proof. On April 14th, 2017 the US released photo proof of the deed;

"File image dated March 11, 2003, courtesy the US Air Force shows the GBU-43/B Massive Ordnance Air Blast bomb prototype moments before impact in an undisclosed location. The detonation created a mushroom cloud that could be seen from up to 20 miles away — AFP file."

"Caption: Caption: An archival image released by the U.S. Air Force of a GBU-43/B, or Massive Ordnance Air Blast (MOAB) bomb, being launched from Eglin Air Force Base on November 21, 2003.USAF/Getty Images

Slide: 2 / of 3. Caption: Caption: An archival image released by the U.S. Air Force of a GBU-43/B (MOAB) exploding at Eglin Air Force Base on November 21, 2003.USAF/Getty Images

Slide: 3 / of 3. Caption: Caption: An archival image released by the U.S. Air Force of a GBU-43/B (MOAB) exploding at Eglin Air Force Base on November 21, 2003.USAF/Getty Images"

And on April 14, 2017, they released a computer generated google map pixelation of that deed to the media we all saw, found here.
http://www.latimes.com/world/afghanistan-pakistan/la-fg-mother-bomb-20170413-story.html

You April fools just witnessed the biggest, baddest prank ever.