Mavuto achitetezo ku labotale ya Los Alamos akuchedwa kuyesa ndi kupanga zida zanyukiliya zaku US
Malo omwe amayang'anira zida za nyukiliya zaku US adatsekedwa kwambiri kuyambira 2013 chifukwa cholephera kuwongolera zoopsa zachitetezo cha ogwira ntchito.
June 20, 2017
ndi R. Jeffrey Smith, Patrick Malone