Secretary of the Navy Mabus and Gen.Amos use a sword to cut the cake Secretary of the Navy Ray Mabus, left, and Commandant of the Marine Corps Gen. James F. Amos, second from left, use a sword to cut the cake at the Marine Corps birthday celebration in the Pentagon on Nov. 7, 2012 SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 751778-L-LCY84-440.jpg Photo Gallery