Cuban Spy Hub Lights Up — Guess Who?

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China’s suspected spy footprint in Cuba just got a major upgrade, and the Bejucal site now looks more dangerous than ever.

Quick Take

CSIS says Bejucal’s new circular antenna array is complete and may already be operating.
The site is in Cuba, but public proof of direct Chinese control is still missing.
The buildout could help monitor U.S. military, air, sea, and communications activity near Florida.
Critics say the public record still shows a Cuban site with a disputed foreign link.

Bejucal Buildout Raises New Alarm

Satellite imagery from the Center for Strategic and International Studies shows major work finished at Bejucal, Cuba’s largest active signals intelligence site.^[3] Analysts say the old antenna field was replaced with a larger circularly disposed antenna array, or CDAA, made up of 32 antennas. CSIS says the site has very likely begun operations. That matters because the array could help track radio traffic across the region and into the southeastern United States.

Bejucal has drawn attention for years because of its history and location near Havana.^[2] The site was once tied to Soviet-era military use, and later became known as a signals intelligence post. CSIS says the facility has long been linked to China in public reporting, congressional testimony, and statements from United States officials. The new imagery does not prove Chinese control, but it does show a more capable setup than before.

Why The New Antenna Array Matters

The new array is not a small tweak. CSIS says the field was converted from a linear grid into a much larger CDAA with 19 outer antennas and 13 inner antennas.^[3] These arrays are used for high-frequency direction finding, which means they can intercept and locate incoming radio signals. In plain terms, the site can help map who is talking, where the signal comes from, and how nearby systems behave. That is useful intelligence near the United States.

VOA also reported that the imagery showed new work at other Cuban sites near Havana, while a fourth site near Guantanamo Bay remained under construction.^[1] The broader picture suggests a network, not a single base. That is why the issue goes beyond Cuba. A listening post on the island sits close to Florida, to American military traffic, and to shipping lanes that matter for national security. Conservatives have every reason to view that as a serious threat.

What Is Proven, And What Is Not

The public evidence shows a real facility with real upgrades. It does not show a smoking gun proving Chinese ownership or operation.^[3] CSIS itself says there is “no clear publicly available evidence” proving China’s involvement at Bejucal, even while it says the site is likely one of the Cuban facilities supporting Chinese intelligence work.^[3] That split is important. It separates what satellite imagery can show from what intelligence agencies may believe but have not fully released.

China's spy base at Bejucal in Cuba went operational this week, confirmed by new satellite imagery, while Washington's fuel blockade pushes the island toward collapse and a fresh migration wave. A breakdown:

1) CSIS published satellite imagery on June 18 confirming Bejucal,…

— Shaiel Ben-Ephraim (@academic_la) June 19, 2026

That gap is where the fight over the story sits. Critics argue the bases are Cuban military sites that may have alternate uses, and they say the public record does not settle the China question.^[6] Supporters of the alarm point to the scale, geometry, and recent speed of construction as strong signs of a signals intelligence mission.^[1]^[2]^[3] For readers worried about weak borders, foreign influence, and national security lapses, the bigger issue is simple: hostile powers keep moving closer.

Why Washington Should Care

The Bejucal site sits close enough to the United States to matter in a real crisis. CSIS says the array could help Cuba collect intelligence on United States activities in the region, and that information would also be valuable if shared with China or another adversary.^[2]^[3] A similar concern appeared in earlier reporting from Reuters and the Wall Street Journal, which said United States officials had long suspected Chinese access to Cuban intelligence facilities.^[10]^[18] The concern has not gone away.