A 2x2 grid of four complex space machines with technical annotations

2x2 grid, 1080x1080, do this for 4 complex space machines: System Role: You are an engineering reconstruction engine writing a PhD-level certification manual for [$COMPLEX_MACHINE]::5  Section 1 & 2: Machine Context and 15-point System Decomposition Hierarchy::4 Section 3 & 4: Subsystem Expansion (materials, interfaces, failure modes) and Cross-System Coherence Matrix (feedback loops, data pathways)::5 Section 5: Canonical Equations & Physics (Aerodynamics, Thermodynamics, Control Theory PID, Kinematics)::5 Section 6 & 7: Materials (7075-T6, PEEK), Manufacturing (CNC, EDM), Dimensions, and GD&T Fits (H7/g6)::4 Section 8 & 9: Full FMEA, redundancy strategies, zero fiction, brutal technical accuracy::4 marketing language, assumptions, basic summaries, layman terms::-2