Project ‘C430L’: How Russia secretly helped Iran develop supersonic cruise missiles

Fadingcorroborated10 outlets reported this themselves in 10 reports over 2 days - more reporting than echo.

Wed, 2 September 2026peak 9 reports on Wed, 2 September 2026Thu, 3 September 2026

After the peak, new reports halved every 5 hours so far - this story is still being covered, so the figure moves as reports arrive.

What it is about

Who published it, and when

original reportfirst to report

Times of India

bankingnews.gr

pakobserver.net

Kyiv Post (Ukraine)

Telegram.hr (Croatia)

2 Sept, 03:20over 17 hours2 Sept, 20:37

5 reports left out of the cascade - too little in common with the story to place

How it spread - 10 original reports

Wed, 2 September 2026
9 reports
- Times of India03:20first to report
  Project ‘C430L’: How Russia secretly helped Iran develop supersonic cruise missiles
  Project ‘C430L’: How Russia secretly helped Iran develop supersonic cruise missiles
- bankingnews.gr09:15
  Russia gives Iran the
  Russia gives Iran the
- pakobserver.net11:54
  Is Russia helping Iran get Supersonic Cruise Missiles, raising Alarm for US Warships?
  TEHRAN – Russia is reportedly helping Iran acquire advanced supersonic cruise missile technology, and it poses fresh challenge to US warships in the
- Kyiv Post (Ukraine)12:32
  Russia Secretly Helps Iran Develop Supersonic Cruise Missiles, FT Reports
  Russia has secretly assisted Iran in developing supersonic cruise missile technology under a covert program codenamed C430L, according to a Financial Times investigation based on leaked correspondence, travel records, and Russian military patents.
- Novinky (Czechia)13:38
  Rusko pomáhá vyvíjet Íránu nadzvukové střely proti americkým lodím
  Rusko pomáhá Íránu i za války s USA vyvíjet nové střely s plochou dráhou letu, které by létaly nadzvukovou rychlostí a byly určeny především proti lodím. Uvedl to list The Financial Times, který se dostal k uniklým materiálům o rusko-íránských dohodách o projektu. Pohánět je má náporový motor (ramjet).
- El País (Spain)13:50
  Rusia ayuda en secreto a Irán a desarrollar misiles supersónicos de crucero
  Una investigación del ‘Financial Times’ revela una colaboración que eleva la amenaza de Teherán a los intereses y la flota de Estados Unidos en Oriente Próximo
- Index.hr (Croatia)14:01
  Rusija tajno pomaže Iranu u razvoju nadzvučnih krstarećih projektila
  ISTRAGA je otkrila tajni ruski program C430L koji od 2023. pomaže Iranu u razvoju nadzvučnih krstarećih projektila, tehnologije koja može ugroziti američke vojne ciljeve na Bliskom istoku.
- tportal (Croatia)18:04
  Otkriveno što su Rusi i Iranci godinama kuhali u tajnosti: Procurili detalji programa C430L
  Rusija je posljednjih godina u tajnosti pomagala Iranu u razvoju naprednih nadzvučnih krstarećih raketa, otkriva Financial Times, koji je istražio detalje programa kodnog naziva C430L
- Telegram.hr (Croatia)20:37
  Otkriveno što su Rusija i Iran godinama tajno razvijali, program je okupio neke od najiskusnijih ruskih stručnjaka
  Program je dio sve bliskije strateške vojne suradnje Rusije i Irana
Thu, 3 September 2026
1 report
- 24sata (Croatia)07:42
  Novo izvješće: Rusija pomaže Iranu u razvoju moćnih raketa!
  središtu suradnje je tajni program kodnog imena „C430L”, koji je započeo 2023. godine...