WDR – Spaceflight Now

September 16, 2026

Breaking News

[ September 15, 2026 ] SpaceX scrubs Vandenberg launch of national security payload, targets backup window on Wednesday Falcon 9
[ September 15, 2026 ] Avio launches pair of climate monitoring European spacecraft to study plants, oceans and atmospheric changes News
[ September 13, 2026 ] SpaceX launches 700th Falcon rocket, carries final 3 O3b mPOWER satellites to orbit for SES Falcon 9
[ September 9, 2026 ] SpaceX launches classified payload for the U.S. Space Force Falcon 9
[ September 5, 2026 ] SpaceX launches 80th Starlink mission of 2026 Falcon 9

Atlas 5 rocket rehearses countdown for upcoming launch to Asteroid Bennu

August 25, 2016 Justin Ray

Running through a practice countdown to check systems before launching a NASA sample-return probe to Asteroid Bennu in exactly two weeks, an Atlas 5 successfully completed its Wet Dress Rehearsal today.

Delta 4 rocket undergoes launch day rehearsal for its next Air Force mission

July 30, 2016 Justin Ray

A United Launch Alliance Delta 4 rocket went through a practice countdown and fueling exercise this week to prepare for its Aug. 19 liftoff to deliver a pair of orbital surveillance satellites into space.

Delta 4-Heavy passes countdown rehearsal for upcoming NRO launch

April 15, 2016 Justin Ray

Successfully put through its countdown paces in a critical pre-flight test Thursday, America’s largest rocket currently in service moved closer to a June launch for the U.S. intelligence community.