Gen. Shelton briefs reporters at the Pentagon on the effects of the 78-day NATO Operation Allied Force. Gen. Henry H. Shelton, U.S. Army, chairman of the Joint Chiefs of Staff, briefs reporters at the Pentagon, June 10, 1999, on the effects of the 78-day NATO Operation Allied Force. Operation Allied Force was the air operation against targets in the Federal Republic of Yugoslavia. Here he points to an aerial reconnaissance photo of one of several Danube River bridges which were destroyed. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 634444-V-VMM23-069.jpg Photo Gallery