The Missouri History Museum on Tuesday, April 18, 2017 in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.

R. Penny Kurre attends a dedication for Seabees founder Admiral Ben Moreell on Tuesday, April 18, 2017 in St. Louis, Mo. at the Missouri State History Museum. Photo by Clay Lomneth / The American Legion.

Navy Seabee Henry Harbinson jokes with fellow Seabee 98-year-old Ned Picard at a dedication to Seabees founder Admiral Ben Moreell at the Missouri History Muesum on Tuesday, April 18, 2017 in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.

A painting dedicated to Seabees from all generations was unveiled at the Missouri History Museum on Tuesday, April 18, 2017 in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.

Rear Admiral Bret Muilenburg speaks at a plaque dedication for Admiral Ben Moreell on Tuesday, April 18, 2017 at the Missouri History Museum in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.

Seabees commander Terry Shofner speaks at a plaque dedication to Admiral Ben Moreell at the Missouri History Museum on Tuesday, April 18, 2017 in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.

A memorial for Seabees founder Admiral Ben Moreell was unveiled on Tuesday, April 18, 2017 at the Missouri History Museum in St. Louis, Mo. Photo by Clay Lomneth / The American Legion.