Eliana Johns
Biographic Data
| ID | 9541291 |
|---|---|
| NAME | Eliana Johns |
| GIVEN NAMES | Eliana |
| FAMILY NAME | Johns |
| SIGNATURE | JOHNS E |
| AFFILIATIONS | NotABook (United States) |
| VERIFIED | No |
| TOTAL WORKS | 18 |
| TOTAL CITATIONS | 0 |
| WORKS AS AUTHOR | 18 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2023 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 0 |
United States nuclear weapons, 2026
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3700 warheads—an unchanged estimate from the previous year. Of these, only about 1770 warheads are deployed, while approximately 1930 are held in res…
Chinese nuclear weapons, 2026
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses approximately 620 nuclear warheads, with more in production to arm future delivery systems. China is believed to have the fastest-growing nuclear arsenal among the nine nuclear-armed states; it is the only nuclear-armed Party to the Treaty on the Non-Proliferation of Nuclear We…
Russian nuclear weapons, 2026
Russia is in the late stages of a multi-decade-long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. However, this program is facing significant challenges that will further delay the entry into force of these newer systems. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,400 nuclear warheads for its strategic and non-strategic nuclear forces—a slight …
Russian nuclear weapons, 2025
Russia is in the late stages of a multi-decade-long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. However, this program is facing significant challenges that will further delay the entry into force of these newer systems. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,309 nuclear warheads for its strategic and non-strategic nuclear forces. Although…
French nuclear weapons, 2025
France’s nuclear weapons arsenal has remained stable in recent years, but significant modernizations are underway of the country’s ballistic missiles, cruise missiles, submarines, aircraft, and nuclear industrial complex. We estimate that France currently has a nuclear weapons stockpile of approximately 290 warheads. In addition, approximately 80 retired warheads are awaiting dismantlement, giving a total inventory of approximately 370 nuclear wa…
The changing nuclear landscape in Europe
This issue’s column reviews the status of nuclear weapons and nuclear operations in Europe. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, associate director Matt Korda, and senior research associates Eliana Johns and Mackenzie Knight-Boyle. To see all previous Nuclear Notebook columns in the Bulletin of the Atomic Scientists dating ba…
Pakistan nuclear weapons, 2025
This issue’s column reviews the status of Pakistan’s nuclear arsenal and finds that the country currently has a stockpile of approximately 170 warheads, a number that could potentially grow to around 200 by 2025 at the current growth rate. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, associate director Matt Korda, and senior research…
Chinese nuclear weapons, 2025
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses approximately 600 nuclear warheads, with more in production to arm future delivery systems. China is believed to have the fastest-growing nuclear arsenal among the nine nuclear-armed states; it is the only Party to the Treaty on the Non-Proliferation of Nuclear Weapons that is …
United States nuclear weapons, 2025
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3,700 warheads—an unchanged estimate from the previous year. Of these, only about 1,770 warheads are deployed, while approximately 1,930 are held in …
North Korean nuclear weapons, 2024
North Korea continues to modernize and grow its nuclear weapons arsenal. In this Nuclear Notebook, the authors cautiously estimate that North Korea may have produced enough fissile material to hypothetically build up to 90 nuclear warheads, but has likely assembled fewer than that—potentially around 50. To deliver the warheads, North Korea is enhancing and diversifying its missile force, most recently with new solid-fuel long-range strategic miss…
Russian nuclear weapons, 2024
Russia is in the late stages of a multi-decade long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,380 nuclear warheads for its strategic and non-strategic nuclear forces—a net reduction of approximately 109 from last year's estimate. Although the number of Russian strategic launchers is not expected to…
United Kingdom nuclear weapons, 2024
For decades, the United Kingdom has maintained a stockpile of approximately 225 nuclear warheads—up to 120 of which are available for delivery by four Vanguard-class nuclear-powered ballistic missile submarines. The stockpile is now increasing. The United Kingdom is currently building a new class of Dreadnaught-class submarines and developing a new nuclear warhead. In addition, it is expected that the United Kingdom will eventually increase the s…
Chinese nuclear weapons, 2024
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses roughly 500 nuclear warheads, with more in production to arm future delivery systems. China is now believed to have one of the fastest-growing nuclear arsenals among the nine nuclear-armed states. The Nuclear Notebook is researched and written by the staff of the Federation of …
Indian nuclear weapons, 2024
India continues to modernize its nuclear arsenal, with at least four new weapon systems and several new delivery platforms under development to complement or replace existing nuclear-capable aircraft, land-based delivery systems, and sea-based systems. Several of these systems are nearing completion and will soon be fielded. We estimate that India may have produced enough military plutonium for 130 to 210 nuclear warheads but likely has produced …
United States nuclear weapons, 2024
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3,708 warheads—an unchanged estimate from the previous year. Of these, only about 1,770 warheads are deployed, while approximately 1,938 are held in …
French nuclear weapons, 2023
underway regarding ballistic missiles, cruise missiles, submarines, aircraft, and the nuclear industrial complex
Pakistan nuclear weapons, 2023
The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, senior research fellow Matt Korda, and research associate Eliana Johns. The Nuclear Notebook column has been published in the Bulletin of the Atomic Scientists since 1987. This issue’s column examines Pakistan’s nuclear arsenal, which we estimate to currently include approximately 170 warh…
Nuclear weapons sharing, 2023
This issue's column examines the current state of global nuclear sharing arrangements, which include nonnuclear countries that possess nuclear-capable delivery systems for employment of a nucleararmed state's nuclear weapons.To see all previous Nuclear Notebook columns, go to https:// thebulletin.org/nuclear-notebook
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French nuclear weapons, 2023
underway regarding ballistic missiles, cruise missiles, submarines, aircraft, and the nuclear industrial complex
Pakistan nuclear weapons, 2023
The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, senior research fellow Matt Korda, and research associate Eliana Johns. The Nuclear Notebook column has been published in the Bulletin of the Atomic Scientists since 1987. This issue’s column examines Pakistan’s nuclear arsenal, which we estimate to currently include approximately 170 warh…
Nuclear weapons sharing, 2023
This issue's column examines the current state of global nuclear sharing arrangements, which include nonnuclear countries that possess nuclear-capable delivery systems for employment of a nucleararmed state's nuclear weapons.To see all previous Nuclear Notebook columns, go to https:// thebulletin.org/nuclear-notebook
North Korean nuclear weapons, 2024
North Korea continues to modernize and grow its nuclear weapons arsenal. In this Nuclear Notebook, the authors cautiously estimate that North Korea may have produced enough fissile material to hypothetically build up to 90 nuclear warheads, but has likely assembled fewer than that—potentially around 50. To deliver the warheads, North Korea is enhancing and diversifying its missile force, most recently with new solid-fuel long-range strategic miss…
Russian nuclear weapons, 2024
Russia is in the late stages of a multi-decade long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,380 nuclear warheads for its strategic and non-strategic nuclear forces—a net reduction of approximately 109 from last year's estimate. Although the number of Russian strategic launchers is not expected to…
United Kingdom nuclear weapons, 2024
For decades, the United Kingdom has maintained a stockpile of approximately 225 nuclear warheads—up to 120 of which are available for delivery by four Vanguard-class nuclear-powered ballistic missile submarines. The stockpile is now increasing. The United Kingdom is currently building a new class of Dreadnaught-class submarines and developing a new nuclear warhead. In addition, it is expected that the United Kingdom will eventually increase the s…
Chinese nuclear weapons, 2024
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses roughly 500 nuclear warheads, with more in production to arm future delivery systems. China is now believed to have one of the fastest-growing nuclear arsenals among the nine nuclear-armed states. The Nuclear Notebook is researched and written by the staff of the Federation of …
Indian nuclear weapons, 2024
India continues to modernize its nuclear arsenal, with at least four new weapon systems and several new delivery platforms under development to complement or replace existing nuclear-capable aircraft, land-based delivery systems, and sea-based systems. Several of these systems are nearing completion and will soon be fielded. We estimate that India may have produced enough military plutonium for 130 to 210 nuclear warheads but likely has produced …
United States nuclear weapons, 2024
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3,708 warheads—an unchanged estimate from the previous year. Of these, only about 1,770 warheads are deployed, while approximately 1,938 are held in …
Russian nuclear weapons, 2025
Russia is in the late stages of a multi-decade-long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. However, this program is facing significant challenges that will further delay the entry into force of these newer systems. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,309 nuclear warheads for its strategic and non-strategic nuclear forces. Although…
French nuclear weapons, 2025
France’s nuclear weapons arsenal has remained stable in recent years, but significant modernizations are underway of the country’s ballistic missiles, cruise missiles, submarines, aircraft, and nuclear industrial complex. We estimate that France currently has a nuclear weapons stockpile of approximately 290 warheads. In addition, approximately 80 retired warheads are awaiting dismantlement, giving a total inventory of approximately 370 nuclear wa…
The changing nuclear landscape in Europe
This issue’s column reviews the status of nuclear weapons and nuclear operations in Europe. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, associate director Matt Korda, and senior research associates Eliana Johns and Mackenzie Knight-Boyle. To see all previous Nuclear Notebook columns in the Bulletin of the Atomic Scientists dating ba…
Pakistan nuclear weapons, 2025
This issue’s column reviews the status of Pakistan’s nuclear arsenal and finds that the country currently has a stockpile of approximately 170 warheads, a number that could potentially grow to around 200 by 2025 at the current growth rate. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: director Hans M. Kristensen, associate director Matt Korda, and senior research…
Chinese nuclear weapons, 2025
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses approximately 600 nuclear warheads, with more in production to arm future delivery systems. China is believed to have the fastest-growing nuclear arsenal among the nine nuclear-armed states; it is the only Party to the Treaty on the Non-Proliferation of Nuclear Weapons that is …
United States nuclear weapons, 2025
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3,700 warheads—an unchanged estimate from the previous year. Of these, only about 1,770 warheads are deployed, while approximately 1,930 are held in …
United States nuclear weapons, 2026
The United States has embarked on a wide-ranging nuclear modernization program that will ultimately see every nuclear delivery system replaced with newer versions over the coming decades. In this issue of the Nuclear Notebook, we estimate that the United States maintains a stockpile of approximately 3700 warheads—an unchanged estimate from the previous year. Of these, only about 1770 warheads are deployed, while approximately 1930 are held in res…
Chinese nuclear weapons, 2026
The modernization of China’s nuclear arsenal has both accelerated and expanded in recent years. In this issue of the Nuclear Notebook, we estimate that China now possesses approximately 620 nuclear warheads, with more in production to arm future delivery systems. China is believed to have the fastest-growing nuclear arsenal among the nine nuclear-armed states; it is the only nuclear-armed Party to the Treaty on the Non-Proliferation of Nuclear We…
Russian nuclear weapons, 2026
Russia is in the late stages of a multi-decade-long modernization program to replace all of its Soviet-era nuclear-capable systems with newer versions. However, this program is facing significant challenges that will further delay the entry into force of these newer systems. In this issue of the Nuclear Notebook, we estimate that Russia now possesses approximately 4,400 nuclear warheads for its strategic and non-strategic nuclear forces—a slight …
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