why its called "the gost"?

The fifth-generation Russian
fifth-generation SU-57 fighter jet, whose name was officially announced on  August 11, was dubbed Moscow media as,
"The Ghost".
The reason, the sophisticated jet fighting
operation was intended to be so hidden that, it could not be seen or detected.

The nickname also refers to his ability,
that can be controlled remotely like a drone airplane or drone. The aircraft
formerly known as PAKFA and T-50 is a signal to the world, that the Russian
Federation is committed to expanding its military power.

CLICK SUBSCRIBE . .. . Update Military News- Subscribe Disini Atau Bisa Langsung Menekan Tombol Youtube Subscribe dan Facebook LIKE Berikut ini...