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.
John F. Kennedy joined the US Navy in 1941 as the United States entered World War II. He was made Lieutenant (Lt.) and assigned to the South Pacific as commander of a patrol torpedo boat, the PT 109.