Divers removed the abandoned explosive and towed it farther out to sea where it was dropped into 1,800-foot deep waters.
The men had been missing in the Micronesia archipelago for nearly three days when their distress signal was spotted Sunday.
The U.S. and Australia said they will expand military cooperation as tensions soar with China.
The Marines will spend 14 days quarantined once they arrive to help prevent any spread of the coronavirus.
Anzac Day marks the 1915 landing of Australian and New Zealand troops at Gallipoli on the Turkish peninsula.
The Marines did their quarantine in barracks rooms, each with its own bathroom, desk, couch and kitchenette.
Leathernecks often say if it's not raining, they're not training.
The Marines will stay in their barracks for 14 days to prevent the spread of coronavirus at the start of their rotation.
The three American firefighters who were killed while helping to battle the wildfires in Australia have been identified.
The incident brought the death toll in Australia's bushfires to at least 32 since the crisis began in September.
Marines will be seeing more of the red patches after the service reactivated 2nd Landing Support Battalion.
Start an allotment now so you don’t risk losing health insurance coverage.
The Marine Corps is also adding a new podcast to the list, which will come out at least every two weeks.
Maj. Gen. Stephen Neary was relieved as head of Marine Corps Forces Europe and Africa by Commandant Gen. David Berger.
The Marine Corps has officially retired the AH-1W Super Cobra helicopter.