Remembering the #Challenger disaster: 27 years ago today

Remembering the Challenger crew today. The NASA family lost 7 of its own on Jan. 28, 1986. http://t.co/hkpMIrAA

— NASA (@NASA) January 28, 2013

Twitter users are taking time out today to remember the crew of the Challenger space shuttle and their families. Twenty seven years ago today, disaster struck and left an indelible mark on the nation’s soul — especially a generation of schoolchildren who will never forget.

#Remembering the #SpaceShuttle #Challenger Crew. On this day in 1986 the crew was lost to a massive explosion. @NASA pic.twitter.com/FdC3ducL

— TARDIS75 (@TARDIS75) January 28, 2013

https://twitter.com/ScottAGould/status/295899075511988224

Remembering the astronauts of the Space Shuttle #Challenger which exploded 72 secs after liftoff in 1986. #NASA #Space #TeacherInSpace

— @SeriouslyFuctUp (@seriouslyfuctup) January 28, 2013

27 years ago today, I witnessed the saddest day in @NASA history. #Challenger

— Nick Sprague (@nas38117) January 28, 2013

Today is the 27th anniversary of the #Challenger disaster. Although I was nine, I'll never forget #ChristaMcAulliffe and the six astronauts.

— BostonPundit (@JeremyMurphyMA) January 28, 2013

Video of the explosion:

President Reagan’s speech to a grieving nation:

https://twitter.com/kris_sims/status/295895449334861825

We will never forget.