The Army's transition to a new readiness model is progressing, but challenges remain, according to the director of operations, readiness and mobilization in the office of the service's deputy chief of staff (G-3/5/7). In an Aug. 23 interview, Brig. Gen. Douglas Sims told Inside the Army moving from an operational unit, where he saw Army Force Generation (ARFORGEN) and the Sustainable Readiness Model from the "user side," has given him additional perspective. Prior to his arrival in the directorate, Sims...