The NASA "Red Worm" logo on the uniforms of the astronauts has been slightly altered in this alternate universe just like the older "Meatball" logo. In this alternate universe logo, the A's have a horizontal line in them.
What is that? Is that telemetry?
Danielle Poole: No, it's a short-range VHF transmitter. The Russian telemetry is on a different frequency. But it has to be voice, and it's encrypted.
Edward Baldwin: Well, they're obviously doing something they don't want us to know about.
Danielle Poole: Like what?
Edward Baldwin: ...
The American astronauts on the moon are constantly communicating data using the metric system. However, NASA has only used the metric system since 1990. Before that, the English system was still dominant.