Top aviation military officials from the four services addressed Congress today on aviation readiness, all underscoring the urgent need for predictable budgets. Army Maj. Gen. William K. Gayler, commanding general of the U.S. Army Aviation Center of Excellence and of Fort Rucker, Alabama; Lt. Gen. Mark C. Nowland, Air Force deputy chief of staff for operations; Lt. Gen. Steven R. Rudder, Marine Corps deputy commandant for aviation; and Navy Vice Adm. Mike Shoemaker, commander