Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Nevada National Security Site (NNSS) has had an extensive history of supporting U.S. national security through nuclear testing.
Source: https://www.slashgear.com/1410540/us-canceled-project-pluto-why/