Work Conducts News Briefing on Better Buying Power 3.0 Deputy Defense Secretary Bob Work speaks during a news briefing on innovation and Better Buying Power 3.0 at the Pentagon, April 9, 2015. Work and Undersecretary of Defense for Acquisition, Technology and Logistics Frank Kendall conducted the briefing. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 510115-W-LNV30-484.jpg Photo Gallery