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The Terrahawks "10-Codes" are a series of code words used by the Terrahawks to communicate various situations. They are based (unsurprisingly) around the number 10.

10:0

Negative.

10:10

Affirmative.

10:20

Location.

10:30

Stand by or Standing by.

10:40

Battle stations!

10:50

Launch clearance.

10:90

Mayday!

1:0

Top secret.