Editing Johnston Atoll (section)

===Military control 1934–2004===

On December 29, 1934, President [[Franklin D. Roosevelt]] with {{EO|6935}} transferred control of Johnston Atoll to the [[United States Navy]] under the 14th Naval District, Pearl Harbor, to establish an [[Airbase|air station]], and also to the [[United States Department of the Interior]] to administer the bird refuge. In 1948, the USAF assumed control of the atoll.<ref name="U.S. Army Chemical Materials Activity">{{cite web |url=http://www.cma.army.mil/fndocumentviewer.aspx?docid=003673801 |title=JACADS Timeline |publisher=U.S. Army Chemical Materials Activity |url-status=dead |archive-url=https://web.archive.org/web/20120414192039/http://www.cma.army.mil/fndocumentviewer.aspx?docid=003673801 |archive-date=April 14, 2012 |access-date=August 14, 2017 }}</ref>
[[File:President Nixon's Visit, Johnston Island, July 23-24, 1969.webm|thumb|left|Video of [[Richard Nixon]]'s visit to Johnston Atoll in 1969]]
During the [[Operation Hardtack I|Operation Hardtack]] nuclear test series from April 22&nbsp;to August 19, 1958, the administration of Johnston Atoll was assigned to the Commander of [[Joint Task Force#Numbered USMCEB joint task forces|Joint Task Force 7]]. After the tests were completed, the island reverted to the command of the US Air Force.<ref name="Nautilus"/>

From 1963 to 1970, the Navy's [[Joint Task Force#Numbered USMCEB joint task forces|Joint Task force 8]] and the [[United States Atomic Energy Commission|Atomic Energy Commission]] (AEC) held joint operational control of the island during high-altitude nuclear testing operations.{{citation needed|date=November 2023}}

In 1970, operational control was handed back to the Air Force until July 1973, when [[Defense Nuclear Agency|Defense Special Weapons Agency]] was given host-management responsibility by the [[United States Secretary of Defense|Secretary of Defense]].{{citation needed|date=November 2023}} Over the years, sequential descendant organizations have been the Defense Atomic Support Agency (DASA) from 1959 to 1971, the [[Defense Threat Reduction Agency|Defense Nuclear Agency]] (DNA) from 1971 to 1996, and the Defense Special Weapons Agency (DSWA) from 1996 to 1998. In 1998, Defense Special Weapons Agency and selected elements of the Office of Secretary of Defense were combined to form the [[Defense Threat Reduction Agency]] (DTRA).<ref>{{cite web|url=http://www.dtra.mil/documents/aboutdtra/DefensesNuclearAgency.pdf |title=Defense's Nuclear Agency, 1947–1997 |publisher=DTRA History Series |year=2002 |access-date=October 9, 2010 |url-status=dead |archive-url=https://web.archive.org/web/20110611111956/http://www.dtra.mil/documents/aboutdtra/DefensesNuclearAgency.pdf |archive-date=June 11, 2011 }}</ref> In 1999, host-management responsibility transferred from the Defense Threat Reduction Agency once again to the Air Force until the Air Force mission ended in 2004 and the base was closed.{{citation needed|date=November 2023}}