The majority of U.S. funding for Afghanistan reconstruction has gone to supporting the Afghanistan National Defense and Security Forces, totaling more than $63 billion.

But it's now going to be significantly harder for the public to understand how the U.S.-supported Afghan forces are faring in the fight against the Taliban.

Very basic information such as the number of Afghan troops that have died, the exact size of the force, how many people are joining, and the readiness of their equipment has previously been made available in quarterly reports from the Special Inspector General for Afghanistan Reconstruction, or SIGAR — a military agency set up by Congress that audits U.S. spending in Afghanistan.

The watchdog's report released Tuesday, however, explained that the U.S. military command in Afghanistan withheld these crucial measures of the war's progress this time around.

The casualty data was classified at the request of the Afghan government, it said. A U.S. military spokesperson did not immediately respond to NPR's request for further explanation.

"The Afghans know what's going on; the Taliban knows what's going on; the U.S. military knows what's going on," John F. Sopko, the special inspector general for Afghanistan, told The New York Times. "The only people who don't know what's going on are the people paying for it."

The classified information from this report will be given on request to Congress, the Department of Defense and the State Department.

"The government usually doesn't classify good news," Sopko added, according to the Times. "I don't want any nameless, faceless Afghan bureaucrat telling the American taxpayer what they ought to know."

President Trump announced a new strategy in Afghanistan in August, committing more U.S. troops to the war without a timetable. The recent commitment of about 3,000 additional troops will bring the total number of U.S. service members in Afghanistan to between 14,000-15,000, according to the watchdog.

The amount of territory under Afghan government control continues to decline. The report, quoting the U.S. military, says that "approximately 56.8% of the country's 407 districts are under Afghan government control or influence," a more than 6 percent decline from last year.

Civilian casualties due to coalition and Afghan airstrikes have risen by 52 percent in the first nine months of 2017 compared to the same period last year, the report states, citing the U.N. It says 38 percent of the total number of civilians killed by airstrikes (177 people) were carried out by international forces.

The report notes that U.S. Forces-Afghanistan disagrees with the U.N.'s methodology on this measure, saying that international airstrikes caused 43 civilian casualties in these nine months.

The U.N.'s number also appears to run counter to what Gen. John Nicholson, the top commander of U.S. forces in Afghanistan, said in an interview with NPR's Tom Bowman this month.

"We've seen an increase in [civilian casualties] caused by the insurgents and an actual reduction in [civilian casualties] caused by the coalition and Afghans," said Nicholson. "And the [civilian casualties] caused by U.S. airstrikes is less than two percent. It's very low."

While the report does not provide precise casualty figures or information about how many people were leaving or joining the Afghan forces, it does give approximate figures for troop levels – and it's clear they have declined significantly.

The report, quoting the U.S. military, said ANDSF numbers approximately 320,000 troops – "a roughly 9,000-person decrease from last quarter." It did not indicate what caused the change.

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