Socialist Federal Republic of Yugoslavia | Federal Bureau of Investigation | Federal Communications Commission | Federal Aviation Administration | United States federal judge | Federal government of the United States | Los Alamos National Laboratory | Jet Propulsion Laboratory | Canadian federal election, 2004 | Federal Emergency Management Agency | Australian federal election, 2007 | Distrito Federal | Oak Ridge National Laboratory | Federal Trade Commission | Federal People's Republic of Yugoslavia | Federal | Lawrence Berkeley National Laboratory | Canadian federal election, 2006 | Canadian federal election, 1993 | Canadian federal election, 1988 | Federal District (Brazil) | Federal architecture | United States Court of Appeals for the Federal Circuit | Lawrence Livermore National Laboratory | Chancellor of Germany (Federal Republic) | Canadian federal election, 1984 | Federal Deposit Insurance Corporation | Canadian federal election, 2000 | Argonne National Laboratory | Mexican Federal Highway |
Johnsen has also been elected to the Royal Swedish Academy of Agriculture and Forestry, the Royal Swedish Academy of Engineering Sciences and selected as Laboratory Director of the Year by the Federal Laboratory Consortium.