Henry J. Kaiser class - AO - Support Ship IMO: MMSI: Flight Deck: Call Sign: NBIG Shipyard: Avondale Shipyard Events ---Filter---OrderedLaid downLaunchedCommissionedDeployment History of USNS Big Horn T-AO-198 1988-jun-20OrderedOrdered 1989-oct-09Laid downLaid down 1991-feb-02LaunchedLaunched 1992-may-21CommissionedCommissioned 2015-novDeploymentDeployment Exercise UNITAS Atlantic 2015 participated in exercise in support of USS George Washington. Add new event for this unitYear:Month: <- (1/12) Optional Day: <- (1/31) Optional Text: Add Event Specifications Henry J. Kaiser class 110crew 9500light (tn) 41000full load (tn) 206length (m) 29.69beam (m) 11draught (m) 20max speed (knots) 2Naval Engine diesel - SEMT Pielstick Aircraft Typical Max Landing platform only. No hangar US Navy Sikorsky S-70 H-60 01 US Navy B-V 107M H-46 Sea Knight 01 Builder Avondale Shipyard,