SU-47 (S-37) BERKUT HGAC Improvements include the re-engraving of

Improvements include the re-engraving of door keyholes

troops stationed in the Continental United States

The flight testing did not reveal any major trouble and the RAF was excited about these new aircraft

A new smoothbore gun

As Britain had no tank-carrying craft lighter than LCT (Landing Craft Tank)

SU-47 (S-37) BERKUT HGAC Improvements include the re-engraving ofThe S 37 Berkut [Golden Eagle] is a testbed for developing technologies for the next generation of aircraft. The basic dimensions and weight of the S 37 "Berkut" are similar to those of Su 37, although they are different aircraft, and the tail, nose and canopy are similar to those of the Su 35. The first two prototypes of this aircraft were evidently designated the S 32, and the S 37 designation was previously applied to an unrelated fighter project