USACE Unmanned Aerial System
Dave Mello, a land surveyor with USACE Sacramento District, provides a briefing about the recently purchased Unmanned Aerial System (UAS) the district will begin using. Mello briefed Sacramento's Commander Col. David Ray and others before a demonstration flight of the UAS at New Hogan Lake on May 10, 2019.

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Photo by: J. Paul Bruton |  VIRIN: 190429-A-A1419-1027.JPG