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Rescue workers and residents search through the rubble in the aftermath of an Israeli-U.S. strike on a girls’ elementary school in Minab, Iran, Saturday, Feb. 28, 2026. (ISNA via AP)
Rescue workers and residents search through the rubble in the aftermath of an Israeli-U.S. strike on a girls’ elementary school in Minab, Iran, Saturday, Feb. 28, 2026. (ISNA via AP)
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WASHINGTON — An ongoing military investigation has determined that the United States is responsible for a deadly Tomahawk missile strike on an Iranian elementary school, according to U.S. officials and others familiar with the preliminary findings.

The Feb. 28 strike on the Shajarah Tayyebeh elementary school building was the result of a targeting mistake by the U.S. military, which was conducting strikes on an adjacent Iranian base of which the school building was formerly a part, the preliminary investigation found. Officers at U.S. Central Command created the target coordinates for the strike using outdated data provided by the Defense Intelligence Agency, people briefed on the investigation said.

Officials emphasized that the findings are preliminary and that there are important unanswered questions about why the outdated information had not been double-checked.

Striking a school full of children is sure to be recorded as one of the most devastating single military errors in recent decades. Iranian officials have said the death toll was at least 175 people, most of them children.

While the overall finding was largely expected — the United States is the only country involved in the conflict that uses Tomahawk missiles — it has already cast a shadow on the U.S. military operation in Iran.

President Donald Trump’s attempts to sidestep the blame for the strike have also already complicated the inquiry, leaving officials who have reviewed the findings showing U.S. culpability expressing unease. The people interviewed for this story spoke on the condition of anonymity, citing the sensitive nature of the ongoing investigation and Trump’s assertion at one point that Iran, not the United States, was responsible.

“As The New York Times acknowledges in its own reporting, the investigation is still ongoing,” White House press secretary Karoline Leavitt said in a statement.

Asked about this article as he left the White House on Wednesday for a trip to promote his economic agenda in Ohio and Kentucky, Trump replied, “I don’t know about that.”

People briefed on the investigation said many questions were yet to be answered around why outdated information was used and who failed to verify the data. Still, the error has not surprised current and former officials.

This article originally appeared in The New York Times.