[Locomotive, 1934, pen and wash drawing by Lyonel Feininger]

Untitled (Chinook helicopter lifting 105mm howitzer, Vietnam)

[Grass and water]

["Get the Idea?," 1954, watercolor by Lyonel Feininger]

Roses in sky

[Flower study (jasmine)]

[Pen and wash drawing by Lyonel Feininger, 1947]

Untitled (soldier in combat gear lying on ground with phone receiver to left ear during fighting in central highlands near Dak To, Vietnam)

Untitled (camouflaged soldiers in jungle of central highlands near Dak To, Vietnam)

Untitled (soldier with mustache, Vietnam)

Untitled (men in control room at scientific research facility)

Flowers

Hand