The study found that reservists were more likely than regular troops to report its symptoms, including disabling flashbacks and hyperarousal.
With the number of full time soldiers being cut there will be a greater emphasis on the Territorial Army which the government said would be doubled from 15,000 to 30,000 and become more integrated with regular troops.
Iraq's army has about 350,000 men (likely to be doubled or more by reserves) and North Korea has 1m regular troops (with millions more in reserve).
"This was a cliffhanger situation, 450 Americans in an understrength battalion surrounded by more than 2,000 North Vietnamese regular troops," Mr. Galloway said in an interview on Thursday.
It recently bought 100,000 Kalashnikov rifles (more than its total number of regular troops).
In addition, partisans were seen as more likely to commit depredations than were regular troops.
Most of our special guys have taken part in [the] liberation of Donbass cities," he said, adding that through Western-assisted training and combat experience, regular troops can now take on more offensive missions on special separatist targets.
Now, as the pace of military operations has increased, from the Balkans to the Persian Gulf, the Army plans to turn more and more to its 564,000 reservists and guardsmen to relieve the strain on its nearly 480,000 regular troops.
The local volunteers who had lost the most were often the fiercest fighters, in contrast to the more measured Federal troops who drew the scorn of ranchers: "The regular troops here were just a nuisance and never accomplished any good; they protected the Indians and not the settlers".
Although the biggest contingent of the National Guard comes from Alabama, Florida has more men in the front line, and they were among the first to enter Iraq alongside regular troops.
