SAN DIEGO (Feb. 23, 2021) Andy Houck, Mark 18 Automatic Target Recognition project lead, speaks to Chief of Naval Operations (CNO) Adm. Mike Gilday about unmanned undersea vehicle capabilities during a tour of Naval Information Warfare Center (NIWC) Pacific. Gilday and Master Chief Petty Officer of the Navy (MCPON) Russ Smith are visiting San Diego to highlight the importance of warfighting and readiness to Sailors in the region. (U.S. Navy photo by Mass Communication Specialist 1st Class John B. Hetherington/Released)