Soldiers have built hospitals, supported hospital staff, helped deliver food and managed nursing homes.
Details on the pullout of 9,500 U.S. troops from Germany have yet to be decided.
Several lawmakers have also called for investigations into the handling of the Guillen case.
The 10 bases in question include some of the largest Army posts: Fort Bragg, Fort Hood and Fort Benning.
The Army's top official said the service is finalizing a plan to allow combat units to resume training in large formations.
The campaign of President Donald Trump released a letter from 235 retired senior officers backing his re-election.
The news comes four years after the Air Force laid out initial plans for what its future fighter jets might look like.
The recent exercises were one of many the Air Force is conducting to test its Advanced Battle Management System.
A veteran of the Marine Corps and Army National Guard, he went through boot camp more than four decades ago.
Cmdr. Robert Arias is at least the third Navy commander removed from his job in recent weeks.