design a radar seeker fitting in a 60mm diameter capable of ...

Prompt

design a radar seeker fitting in a 60mm diameter capable of reliably surviving 0-1000 km/h in 5 secs and reliably detecting a Shahed with 0.01 rcs at 4km range. give advice how to improve accuracy and detection range. Give BOM, draw diagrams and estimate cost. Give two options, one for lowest feasible budget and one for better reliability and effectiveness.