This article published in Tikkun Magazine briefly explains about Invincible Defense Technology (AKA Consciousness-Based Defense):
UNITED STATES: (2000, May/June). Consciousness-Based Defense. Tikkun, 15(3), pp. 58-59.
US Government Needs All The Help It Can Get! This article describes how Invincible Defense Technology (IDT) could be used to calm political tensions in Washington D.C.
Here is an online video documenting the beginning stages of Invincible Defense Technology (IDT) deployment by the military of Ukraine: https://vimeo.com/149975569
Unfortunately, a fully operational Ukrainian IDT Prevention Wing of the Military was never established and Ukraine is now at war with Russia.
These articles below mention the beginning stages of IDT deployment by the Brazilian Elite Military Police:
UNITED STATES: Dr. David Leffler’s Editorial “Creating an Invincible Military” was published in Real Clear Defense and featured by Fox News and reprinted in “United States Air Force Center for Unconventional Weapons Studies (CUWS) Outreach Journal.” Issue No. 1274, page 52.
RUSSIA: (15 August 2016). IDT: A powerful, proven Tool for Police and Military. Pravda.ru.
Please see these Brazilian Military Police Pictures and Brazilian Military Research on Invincible Defense from a Brazilian pilot project. To the best of my knowledge, unfortunately a Brazilian IDT Prevention Wing of the Military is not fully operational yet.