United States Army Air Forces Me 163B FE500 / T-2-500

Nice left rear shot, showing many camouflage details. About halfway the wing the 'flaps down' indicator pin can be seen projecting from the wing skin. The flap itself can be seen in the shadow of the wing, appearing to be half down.

Photograph from 'Winged Rocketry' by Major James C. Sparks
(scan provided by Richard T. Eger)