NASA outlines plan to prepare Earth for an asteroid strike

The video discusses the potential damage caused by smaller asteroids, referencing the Tunguska event in 1908. NASA has developed a plan with five goals to address asteroid threats: enhancing detection of near-Earth objects, improving modeling and prediction of potential strikes, developing deflection strategies like the Double Asteroid Redirection Test, increasing international cooperation, and creating emergency plans for unexpected impacts.

Describe the third objective of NASA's plan for dealing with asteroids.

What does the fifth goal of NASA's plan call for in case of an asteroid impact?