View source for Office of Defense Nuclear Nonproliferation

{{Organization
|OrganizationName=Office of Defense Nuclear Nonproliferation
|OrganizationType=Government Agency
|Mission=The Office of Defense Nuclear Nonproliferation (DNN) aims to prevent the spread of nuclear weapons and materials worldwide, promoting nuclear security and safety by securing or eliminating nuclear and radiological materials that could be used for weapons.
|ParentOrganization=National Nuclear Security Administration
|TopOrganization=Department of Energy
|Budget=$2.17 billion (Fiscal Year 2023)
|OrganizationExecutive=Assistant Deputy Administrator
|Services=Nuclear material security; nonproliferation research; arms control; material disposition
|HeadquartersLocation=38.89768, -77.03653
|HeadquartersAddress=1000 Independence Ave SW, Washington, DC 20585, USA
|Website=https://www.energy.gov/nnsa/office-defense-nuclear-nonproliferation
}}
'''Office of Defense Nuclear Nonproliferation (DNN)''' is an office within the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy, dedicated to reducing global nuclear dangers by preventing the proliferation of weapons of mass destruction (WMD) and securing nuclear materials.

{{Official URL (simple)|url=https://www.energy.gov/nnsa/office-defense-nuclear-nonproliferation}}