
During ceremonies Friday, Maj. Gen. William "Tim" Crosby relinquished the Program Executive Office Aviation (PEO Aviation) charter to Brig. Gen. Bob Marion, who was promoted in a ceremony earlier in the morning. Crosby, who served as PEO for Aviation since 2008, retired Jan. 24 after almost 35 years of military service. The Assistant Secretary of the Army for Acquisition, Logistics, and Technology Heidi Shyu presided over both ceremonies. "We have marked changes of leadership with ceremonies to pay tribute to…