Utah, the West Indies.

ATTACHMENT INTERFACE Figure 3-15.— Aft fuselage shell structure. LOW-PRESSURE-TURBOPUMP SUPPORT UPPER THRUST SHELF LOWER THRUST SHELF LOWER THRUST SHELF * DIFFUSION-BONDED TITANIUM е BORON-EPOXY REINFORCED ORBITER/EXTERNAL TANK ATTACHMENT INTERFACE Figure 3-14.— Aft fuselage thrust structure. ORIGINAL PAGE IS OF POOR QUALITY The Orbiter midbody umbilical unit provides the capability to check PLBD.