People

MSC Personnel
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Our workforce consists of more than 9,500 people worldwide, most of whom serve at sea. In fact, about 80% of our people serve at sea, aboard non-combatant Navy ships, as civil service mariners (CIVMARs) who are federal employees. The remainder includes commercial mariners, civil service personnel ashore and active duty and reserve military personnel. All MSC ships, unlike other U.S. Navy ships, are crewed by civilian mariners. Some ships have small military departments assigned to carry out communication and supply functions, as well as special mission functions appropriate for military personnel. Some ships carry small, temporary military detachments for force protection. Additionally, four ships – USS Mount Whitney, USS Ponce, USS Frank Cable and USS Emory S. Land – have hybrid crews that combine uniformed Navy personnel with civil service mariners under the leadership of a U.S. Navy captain.

A civil service mariner attaches cargo during a vertical replenishment aboard USNS Arctic
A civil service mariner attaches cargo during a vertical replenishment aboard MSC fast combat support ship USNS Arctic in October 2010. Photo by MC3 Brooks Patton Jr.
Civil service mariners and sailors from MSC hospital ship USNS Mercy help Indonesian patients board a utility boat for transport to Mercy
Civil service mariners and sailors from MSC hospital ship USNS Mercy help Indonesian patients board a utility boat for transport to Mercy during a five-month humanitarian mission to Southeast Asia and the Western Pacific. Photo by MCC Don Bray.
Cargo Afloat Rig Team 1 sailors and crew members aboard USNS Henry J. Kaiser prepare to transfer biofuel to USS Princeton
Cargo Afloat Rig Team 1 sailors and crew members aboard MSC fleet replenishment oiler USNS Henry J. Kaiser prepare to transfer biofuel to the guided-missile cruiser USS Princeton (CG 59) during the Great Green Fleet demonstration portion of the Rim of the Pacific 2012 exercise. U.S. Navy photo by MC2 Eva-Marie Ramsaran.
Mobile Salvage and Diving Unit 2 divers help a Bulgarian navy diver back aboard USNS Apache
Mobile Salvage and Diving Unit 2 divers help a Bulgarian navy diver back aboard Military Sealift Command fleet ocean tug USNS Apache following the completion of an underwater welding exercise in June. Apache recently completed a summer-long series of dive exercises throughout Europe and Africa.