Could anybody tell me what's the device on the right?
Our best bet is that, its a misguidance for anybody (enemy spies), who looks at this picture.
Hpasp Free SAM Simulator, "Realistic to the Switch" (U-2 over Sverdlovsk, B-52's over Hanoi, F-4 Phantoms over the Sinai, F-16's and the F-117A Stealth bomber over the Balkans.) http://sites.google.com/site/samsimulator1972/home