Tuesday marks one month since the U.S. bombed a Doctors Without Borders hospital in Kunduz, Afghanistan, yet the Pentagon still hasn't released a preliminary report that was initially promised within days of the strikes.

The Defense Department now says there is no expected release date on the initial report, and that it could be released at the same time as a more in-depth report that officials have said will take at least several months.

Doctors Without Borders hosted a rally in New York on Tuesday afternoon to commemorate the one-month anniversary of the bombings, which killed 30 people, including 13 hospital staff and 10 patients. Seven bodies have still not been identified, according to a release from the group.

Gen. John Campbell, the commander of U.S. forces in Afghanistan, told reporters at the Pentagon on Oct. 5 that he was looking to wrap up the initial investigation quickly.

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