FORT IRWIN, CALIF. >> Doing a rotation at the National Training Center is one of the toughest things soldiers will ever do, members of Fort Bliss' 1st Brigade and other units said.

The Continental U.S. Replacement Center is now fully operational at Fort Bliss, Texas, processing about 150 war fighters per weekly cycle, with an expected increase to more than 400.

About 300 soldiers from 3rd Squadron, 6th Cavalry Regiment – Fort Bliss’ heavy attack reconnaissance squadron – did a rotation at the National Training Center at Fort Irwin, Calif., in February.