Foreground Miku is flying a McDonnell Douglas Phantom FG.1 (F-4K) of Fleet Air Arm 892 Squadron, one of several coded R/006 at various points in time - perhaps XV859 (written off 1980) or XT868 (w/o 1978).
About the tagged omega_symbol: "Against a backdrop of defence cuts 892 Squadron suspected that it would become the last fixed-wing squadron and poignantly adopted a large Ω symbol on a white diamond placed on a red fin flash as its squadron symbol." (Wikipedia)
