Thr Sukhoi SU-25UBS Spear is a soviet high-altitudine interceptor,based from the Frogfoot this variat have a single pair of delta wing giving to him great lift at high altitudine and good manouvability also the engine are moved from the fusolage to the middle of the wing like most airliners for making them get more air at high altitudine,it carry 4 R-40RD whit a range of 40 km also if it need to engage at close distanceit have 2 GSH-30-1 canon great for obliterate any plane.

Controlls
Ag-1 Canopy
Ag-6 ejection seat

(This plane it diden't exist it never was a concept variat you can found him on pinterest)