Halvor Kippe (@halvorkippe) 's Twitter Profile
Halvor Kippe

@halvorkippe

Principal Scientist, Norwegian Defence Research Establishment (FFI), specializing in nuclear disarmament and non-proliferation. Views are my own. PDGA#8929

ID: 2443926337

calendar_today14-04-2014 13:39:36

2,2K Tweet

527 Followers

1,1K Following

David Albright (@davidhalbright1) 's Twitter Profile Photo

Reportedly, US attacked the Esfahan tunnel complex, trying to damage any enriched uranium stocks and any sensitive equipment stored there. No post-attack imagery yet, but below is an image from one of our earlier studies that shows the location of the three tunnel entrances

Reportedly, US attacked the Esfahan tunnel complex, trying to damage any enriched uranium stocks and any sensitive equipment stored there. No post-attack imagery yet, but below is an image from one of our earlier studies that shows the location of the three tunnel entrances
Open Source Centre (@osc_london) 's Twitter Profile Photo

The Open Source Centre created a topographical and 3D model of the facility, layering imagery from 22 June 2025. Using this, we can see where the strikes hit the Fordow facility, likely targeting the cascade hall buried underneath the GBU-57A/B MOP entry points.

The Open Source Centre created a topographical and 3D model of the facility, layering imagery from 22 June 2025. Using this, we can see where the strikes hit the Fordow facility, likely targeting the cascade hall buried underneath the GBU-57A/B MOP entry points.
Hans Kristensen (also on Bluesky) (@nukestrat) 's Twitter Profile Photo

Worried he would look weak after Bibi ignored him and attacked Iran, Trump (who campaigned against wars) goes to war against Iran with bombers and missiles (without seeking OK from Congress) to destroy nuke capacity it build up after Trump destroyed the JCPOA. 🙄

Worried he would look weak after Bibi ignored him and attacked Iran, Trump (who campaigned against wars) goes to war against Iran with bombers and missiles (without seeking OK from Congress) to destroy nuke capacity it build up after Trump destroyed the JCPOA. 🙄
Dr. Jeffrey Lewis (@armscontrolwonk) 's Twitter Profile Photo

RISING LION and MIDNIGHT HAMMER have not slowed the Iranian program nearly as much as the JCPOA. We hold diplomacy to much higher standards than bombing. The same people who endlessly complained about the JCPOA "sunsetting" are now happy to delay Iran's bomb by much less. 15/17

Tyler Rogoway (@aviation_intel) 's Twitter Profile Photo

Patriot batted 1000 today. A lot of software improvements for Patriot have come out of the war in Ukraine. Saudi's defense against the Houthis as well, but I have been told Ukraine was a huge leap. Mounds of constant data from real engagements used to tweak the system.

Dr. Jeffrey Lewis (@armscontrolwonk) 's Twitter Profile Photo

This is false. Iran stored most of the 400 kg of HEU in tunnels at Isfahan. Neither the US nor Israel struck those tunnels. They aren't "buried" although Iran did backfill the tunnel entrances with dirt before the strike. No one knows where the HEU is now.

Shalom Lipner (@shalomlipner) 's Twitter Profile Photo

"The Mossad had spent yrs collecting intell about each of the scientists who would be targeted...Much of the agency’s knowledge about the Iranian program came from agents who worked inside the Natanz & Fordow facilities." Gerry Shih, Warren Strobel, Souad Mekhennet washingtonpost.com/world/2025/06/…

(((James Acton))) (@james_acton32) 's Twitter Profile Photo

How far has military action set back Iran's nuclear program? Netanyahu says 2-3 years. JD Vance says "substantially." In POLITICO, I argue that Iran could build the bomb in a year. And it now has much stronger reasons to do so. (1/n)

How far has military action set back Iran's nuclear program?

Netanyahu says 2-3 years.  

JD Vance says "substantially."  

In <a href="/politico/">POLITICO</a>, I argue that Iran could build the bomb in a year. And it now has much stronger reasons to do so. (1/n)
Jennifer Griffin (@jengriffinfnc) 's Twitter Profile Photo

According to well-placed sources who have seen the classified DIA assessment of the bomb damage assessment (BDA) after the US military strikes last weekend, DIA assesses that the Iran nuclear program could be back on line in a matters of “months” from 1-2 months on the low end

AL-Monitor (@almonitor) 's Twitter Profile Photo

Iran’s UN ambassador Amir Saeid Iravani reveals in an interview with Andrew Parasiliti that his country would consider transfer of enriched uranium stockpiles and outside investment in energy sector if there is an agreement with the US al-monitor.com/originals/2025…

Dr. Jeffrey Lewis (@armscontrolwonk) 's Twitter Profile Photo

The barn door is open. Iran has cleared the entrance to one of the tunnels at Isfahan, which Zachary Cohen reports was too deep to strike with MOPs. If Iran's stockpile of HEU was ever "buried" there, it isn't now.

David Albright (@davidhalbright1) 's Twitter Profile Photo

Maxar imagery taken yesterday (June 28) shows that the Iranians are actively working at the two MOP impact sites penetrating the ventilation shafts of the Fordow Enrichment Plant with heavy earth moving equipment including one excavator at each location. The purpose of this

Maxar imagery taken yesterday (June 28) shows that the Iranians are actively working at the two MOP impact sites penetrating the ventilation shafts of the Fordow Enrichment Plant with heavy earth moving equipment including one excavator at each location. The purpose of this
Massimo (@rainmaker1973) 's Twitter Profile Photo

Man checks his e-mail over a public pay telephone using a panasonic Rl-P4001 acoustic coupler dial-up modem attached to a Panasonic Rl-H1400 Hhc hand-held computer in the early 1980s.

Man checks his e-mail over a public pay telephone using a panasonic Rl-P4001 acoustic coupler dial-up modem attached to a Panasonic Rl-H1400 Hhc hand-held computer in the early 1980s.
Pavel Podvig (@russianforces) 's Twitter Profile Photo

Iran can still build nuclear weapons without further enrichment. Only diplomacy will stop it thebulletin.org/2025/07/iran-c…

Nicole Grajewski (@nicolegrajewski) 's Twitter Profile Photo

It’s almost been a month since the start of the 12 day war and a little over two weeks since the ceasefire. Thread on some thoughts about internal dynamics, outstanding questions, and what comes next:

William Alberque (@walberque) 's Twitter Profile Photo

BREAKING NEWS 🇺🇸🇬🇧💣 A batch of US B61-12s have arrived at RAF Lakenheath from Kirtland AFB for the USAF 48th Fighter Wing - and possibly for the RAF’s future F-35As. There is now enough evidence to say the B61s are present. Here’s the flight details from 17-18 July 2025. 1/4