The Deep Space Network, NASA’s main communications infrastructure, is overburdened. Spacecraft billions of miles away rely on this network of giant satellite dishes to communicate with Earth. NASA officials are worried about the network’s ability to support future missions, as the agency pivots toward extended human exploration of the moon.

WSJ explains how NASA’s infrastructure got to this critical stage – and what it’ll take to fix it.

0:00 NASA’s infrastructure problem
0:34 How the DSN works
1:50 The impact
3:39 The problem
4:47 Potential solutions

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