An official website of the United States government
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Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Nuclear programming of the system. This is the simplest configuration and can manage signals that are displayed (B). No data recording is possible in this configuration.