upper center crankshaft bearing

upper front crankshaft bearing

upper rear crankshaft bearing

crankshaft bearing

upper bearing

wind relative bearing / wind-relative bearing

crankshaft gear

elevating crankshaft

crankshaft assembly

crankshaft distance piece

crankshaft end cap

crankshaft fan pulley

crankshaft oil thrower

crankshaft oilway

crankshaft piece

crankshaft ratchet

crankshaft speed

crankshaft starting jaw

crankshaft-type engine

crankshaft

crankshaft counterweight

crankshaft crank

crankshaft crank cheek

crankshaft crankpin

crankshaft main journal

center point method, rectangular area, bearing and distance

Joint Information Operations Center /Joint Intelligence Operations Center (JIOC)

surface-to-air missile operations center / SAM operations center (SAMOC)

French Center Recherche Sur Le Renseignement / French Center for Intelligence Research (Cf2r / CF2R)

center-to-center method

land-based upper layer (LBUL)

Sea-Based Upper Layer (SBUL)

upper air fallout