wing upper surface

naval surface forces, surface fleet, surface forces

wing-in-ground-effect amphibious craft; ground-effect vehicle (GEV); wing-in-ground-effect (WIG); ground-effect craft; wingship; flarecraft; ekranoplan

wing-to-body fairing / wing-body fairing

blended-wing design (blended wing/body design)

wing lower surface

wing under-slat surface

surface-to-surface artillery

surface-to-surface missile (SSM)

ballistic surface-to-surface missile

control surface / control-surface

guided surface-to-surface missile

surface-to-surface

surface-to-surface delivery system

surface-to-surface missile (rocket)

land-based upper layer (LBUL)

Sea-Based Upper Layer (SBUL)

upper air fallout

upper deck

upper layer

upper sideband (USB)

upper glacis plate

adjustable upper sling swivel

upper ball race

upper center crankshaft bearing

upper edge of front sight

upper front crankshaft bearing

upper front plate

upper hemisphere

upper insulator gasket

upper motor lubricant

upper proximity dot (of a gyro gunsight)

upper rear crankshaft bearing