190216-N-BT947-0033 SAN FRANCISCO (Feb. 16, 2019) Assistant Secretary of the Navy for Research, Development and Acquisition James Geurts greets Sailors before the commissioning ceremony for the Independence-variant littoral combat ship USS Tulsa (LCS 16). LCS-16 is the 15th littoral combat ship to enter the fleet and the eighth of the Independence variant. It is the second Navy combat ship named after Tulsa, the second largest city in Oklahoma. (U.S. Navy photo by Mass Communication Specialist 1st Class Jacob I. Allison/Released)