Chief Of Staff Wants Zero Accidents   Air Force Chief of Staff Gen. John P. Jumper has made it clear that he wants a mishap-free Air Force. General Jumper posted his thoughts on safety in his Feb. 18 "Chief’s Sight Picture" directive. The Air Force has lost more than 1,000 airmen in accidents during the past 10 years, with off-duty private vehicle accidents being the No. 1 killer. General Jumper established the Air Force Operational Safety Council, chaired by Air Force Vice Chief of Staff Gen. T. Michael Moseley, to oversee safety matters. The AFOSC will monitor safety performance, examine new or emerging technologies from both the operational and safety perspectives and direct required changes in Air Force safety policy, programs and in