Officials saw an 18% rise in MST-related requests last year after targeted efforts to encourage filing and reform the claims process.
Department leaders had warned of funding gaps of up to $18 billion but now believe those estimates were too high.
Roughly three-quarters of the 16,000 known U.S. veterans who served at K2 in Uzbekistan are already receiving some disability benefits, the VA said.
The U.S. antisubmarine task force captured the Nazi submarine along with its crew, technology, encryption codes and a working Enigma cipher machine.
