The eventual military response, which climbed to 35,000 guardsmen and active-duty troops, was widely judged effective.

Brazil's armed forces are the largest in Latin America, with 327,710 active-duty troops and officers.

In 1868, the number of active-duty troops in the army was 255,000, and the total could be expanded to 800,000 upon mobilization.

The number of active-duty troops would fall by 85,500, to 1.52 million, in the coming fiscal year.

American active-duty troops could be flown in quickly aboard chartered airliners to join their equipment.

Reserve forces cost about 25 to 80 percent of what the military spends to maintain comparable active-duty troops.

With the promise of shrinking military budgets, will the reserves assume more duties now held by active-duty troops?

The review will be seen in some circles as answering powerful members of Congress who have demanded more active-duty troops for the military.

With two and a half million active-duty troops, China has the world's largest standing army.

And the military could rely on reserves instead of active-duty troops.