McArthur II has berthing for 38 people in 18 single staterooms, eight double staterooms, and one quadruple stateroom, providing her with the capacity to carry up to 15 scientists on domestic voyages or up to 14 scientists and a United States Public Health Service officer on international voyages.
She can seat 16 people at a time in her crew's mess.

McArthur II has a wet laboratory freezer, a dry laboratory freezer, and an oceanographic laboratory refrigerator.
On deck, she has a 2.3-ton-capacity deck crane with a boom that extends to 46 feet (14 m), two oceanographic winches, a movable A-frame, and a movable J-frame.
She carries one 24-foot (7.3 m) and one 21-foot (6.4 m) Zodiac rigid-hulled inflatable boats (RHIB).
McArthur II has berthing for 38 people in 18 single staterooms, eight double staterooms, and one quadruple stateroom, providing her with the capacity to carry up to 15 scientists on domestic voyages or up to 14 scientists and a United States Public Health Service officer on international voyages. She can seat 16 people at a time in her crew's mess.
McArthur II has a wet laboratory freezer, a dry laboratory freezer, and an oceanographic laboratory refrigerator. On deck, she has a 2.3-ton-capacity deck crane with a boom that extends to 46 feet (14 m), two oceanographic winches, a movable A-frame, and a movable J-frame. She carries one 24-foot (7.3 m) and one 21-foot (6.4 m) Zodiac rigid-hulled inflatable boats (RHIB).
USNS Indomitable (T-AGOS-7)