Afghanistan Landing, 2013, pastel on paper, 19 x15 inches

Drone War 1, 2012, pastel on paper, 70 x 45 inches

Drone War 2, 2012, pastel on paper, 70 x 45 inches

Speed Enforced by Drones, site installation view, Highway 37, Northern California, 2013, vinyl and aluminum, 48 x 32inches

Speed Enforced by Drones, 2013, vinyl and aluminum, 48 x 32 inches

our Hydrogen Bombs, pastel on paper, 40 x 55 inches

Berlin (Der Roter Turm), 2012, pastel on paper, 48 x 30 inches

Berlin, 2011, pastel on paper, 40 x 29 inches

Observer, 2014, sheet steel, wood, Plexiglas, 132 x 60 x 60 inches

Guard House (for Max Miller), 2014, wood, paint, steel and glass, 132 x 76 x 54 inches

For The Birds, 2011, painted wood, installation variable

For The Birds (detail), 2011, painted wood, 17 x 8 x 5 inches

Play House, 2011, video, size variable

Play House, 2011, pine, charred pine, steel, 59.5 x 122 x 41 inches

Contemplation Device, 2013, redwood, fir and steel, 92 x90 x38 inches