LC-39's two launch pads are elevated above the crewmember's freedom of movement in those.

LIGHTNING MAST HAMMERHEAD CRANE AANS ANS EL 75.3m (247 FT) — EL 44.8m (147 SEA 7 EL 38.7m (127 EN | EL 32.6m (107 FT) — EL 26.5m (87 FT) — EL 18m (59 FT) EL 20.4m (67 FT) — EL 44.8m (147 SEA 7 EL 38.7m (127 EN | EL 32.6m (107 FT) — ROTATING FIXED SERVICE STRUCTURE SLIDEWIRE LANDING AREA The External.