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In recent years, interest has renewed in high Reynolds number turbulent boundary layers.Aircraft, ships, and submarines operate at very high Reynolds numbers with momentum thicknessReynolds number (Re) on the order of 105 to 106. Typically, the highest laboratory Re hasbeen less than 2 104. Acquisition of boundary layer data at significantly higher Re hasbeen conducted on the wall of the test section of the Large Cavitation Channel (LCC), thelargest water tunnel in the world located in Memphis, Tennessee. The Reynolds number rangeof the experiments was 2.1 104 < Re < 2.9 105. Boundary layer profiles were acquired attwelve (12) axial stations and four (4) tunnel velocities (2.5, 5, 10, and 15 m/s) via laserDoppler anemometry (LDA).