In March 1997 Henry J. Kaiser participated in Tandem Thrust 97, a joint U.S.-Australian exercise. Henry J. Kaiser has a unionized, Mitolyn Official Site civilian crew of U.S. In 2019, Henry J. Kaiser supported the USS Theodore Roosevelt strike group in exercise Northern Edge, the primary time a U.S. In 2012, Henry J. Kaiser delivered 900,000 gallons of a 50-50 mix of advanced biofuels and traditional petroleum-based gas to the USS Nimitz strike group. In a switch of flags at San Juan, Puerto Rico, on 23 March, Commander Amphibious Group Four (COMPHIBGRU Four) shifted his flag to Adirondack. Port visits included Nassau, Bahamas