Iran targets U.K.-U.S. base and its main nuclear enrichment site is struck again

PBS NewsHour
by Samy Magdy, Associated Press
March 21, 2026
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3 min read

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Iran struck a U.K.-U.S. military base and its nuclear enrichment site was attacked again amid escalating Middle East conflict.

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Iran launched a strike against a joint U.K.-U.S. military base in the Indian Ocean while its principal nuclear enrichment facility came under attack for another time, marking an escalation as the Middle East conflict entered its fourth week. The dual strikes underscore the widening scope of hostilities beyond ground combat, now targeting military installations and nuclear infrastructure simultaneously. Iran's attack on the allied base represents a direct challenge to Western military presence in the region, while the repeated targeting of its enrichment site signals potential involvement by external actors seeking to disrupt Tehran's nuclear program. The escalating cycle of strikes and counterstrikes threatens to pull in additional regional and international players. The developments suggest the conflict is expanding beyond its original focal point, with both conventional military targets and strategic nuclear assets now in the crosshairs.

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