 During his years with NOAA, he was involved in the Titanic mapping expedition in 2010 as chief scientist, continued his years of study on the Civil War-era, pearl-diving submersible Sub Marine Explorer, participated in field work while reorganizing and focusing the maritime heritage program, and mentored five high school students from Saginaw, Michigan, for Project Shiphunt.He led the excavation of the Civil War-era blockade running steamer "Mary Celestia" in Bermuda, and either led or co-led maritime heritage expeditions in the Alaskan Arctic, in the waters of Greater Farallones National Marine Sanctuary, where the wrecks of SS "City of Rio de Janeiro", SS "City of" "Chester", SS "Ituna", SS "Selja", and USS "Conestoga", among others, were discovered, a survey of coastal communities and the maritime cultural landscape north of San Francisco, the sonar survey of the wreck of USS "Hatteras", and deep water submersible expeditions off Hawaii that led to the discovery of the Japanese super-submarine "I-400" and the former cable laying ship USS "Kailua", ex-SS "Dickensen".Delgado worked closely with NOAA's Office of Ocean Exploration, and in a series of telepresence-enabled missions that relied on remotely operated vehicles linked to shore-based exploration and command centers and the public through the Internet.