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Biehn Assumes Command of NAVSEA Surface Ship Maintenance, Modernization and Sustainment Directorate
June 6, 2025
NAVSEA Commander, Vice Adm. James Downey (center) presides as Rear Adm. William Greene (left) is relieved as the director for Surface Ship Maintenance, Modernization, and Sustainment (SEA21) by Rear Adm. Andrew Biehn (right) during a change of office ceremony at the Washington Navy Yard's Leutze Park, June 6. SEA 21 is the dedicated life cycle management organization for the Navy's in-service surface ships and is responsible for managing critical modernization, maintenance, training and inactivation programs.

NSWC Crane Announces Winners of Hypersonic Horizons 2024: The High Speed Video Challenge, Inspiring the Next Generation of STEM Leaders
June 6, 2025
CRANE, Ind. – The Joint Hypersonics Transition Office, in collaboration with Naval Surface Warfare Center Crane Division (NSWC Crane) is proud to announce the 14 winning teams of the second annual "Hypersonic Horizons: The High Speed Video Challenge," The competition awarded a total of $32,000 to high school and undergraduate students who demonstrated exceptional innovation and technical acumen in addressing hypersonic challenges.

SERMC Presented With 2nd Consecutive CNO Shore Safety Award
June 5, 2025

SMART scholars make first visit to PHNSY & IMF
June 4, 2025
Picture of people in shipyard

NAVSEA Recognizes Excellence of NSWC Philadelphia
June 3, 2025
Naval Surface Warfare Center, Philadelphia Division (NSWCPD) technical personnel received Environmental Excellence and Program Management Awards during the Fiscal Year (FY) 2024 Naval Sea Systems Command (NAVSEA) Excellence Awards Ceremony, held at NAVSEA Headquarters on the Washington Navy Yard in D.C. on April 30, 2025.

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For more information please visit: https://www.nsfamilyline.org/opsec

Southeast Regional Maintenance Center

1488 Massey Avenue

Naval Station Mayport, FL 32228

904-270-5126 (Quarterdeck)

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