1 The first cube has a mass of 2 grams, the second cube has a mass of 5 grams, the third cube has a mass of 10 grams, and the fourth cube has a mass of 25 grams. 2  Which cube has the greatest density?
On June 18, ships and aircraft assigned to the USS John C. Stennis (CVN 74) and USS Ronald Reagan (CVN 76) strike groups began dual carrier flight operations in the Philippine Sea.
In April 1943, 25-year-old John F. Kennedy arrived in the Pacific and took command of the PT-109. Just months later, the boat collided with a Japanese ship, killing two of his men (John Fitzgerald Kennedy Library, PC101).