Me 163B "White 05" of Erprobungskommando 16

Rudolf Opitz boarding "White 05", recognizable by the mottling pattern on the vertical tail. Note the dark tone of the cockpit bulhead as compared to the camouflage colors. Picture taken at Bad Zwischenahn.

Source: "Messerschmitt Komet - Entwicklung und Einsatz des ersten Raketenjaegers" by Jeffrey Ethell