✅Fire drill
✅Earthquake drill
✅Tornado drill
🔲Asteroid drill

We like to be prepared. While Earth is safe from all known asteroids, this week we're joining our partners to practice what to do if in a different situation. Follow this #ExerciseOnly: https://t.co/nZqcAKmAY8 pic.twitter.com/iLDQgzrRP0

— NASA (@NASA) April 29, 2019