MOS 88K Watercraft Operator Duty Descriptions


The Coxswain serves as the operator of the modular Warping Tug (MWT) in the Army’s only Modular Causeway Company. They are responsible for the safe operation, maintenance, and accountability of one MWT and all associated Basic Issue Items (BII) and equipment valued in excess of $2.5 million. The Coxswain also takes charge of the training, technical guidance, accountability, combat readiness, and overall well-being of eight Soldiers and their families.

88K2O Quartermaster

As a Quartermaster aboard the Army’s largest and most technically complex ship, the Logistic Support Vessel (LSV), the individual is responsible for highly technical electronic navigation equipment valued at over $300,000. Their duties include ensuring the vessel’s bridge is maintained in a high state of readiness for navigation and the accomplishment of missions. Additionally, they ensure that the navigational officer has up-to-date navigational charts and publications.

First Mate LCU

The First Mate serves aboard a 174-foot 2000 series Landing Craft Utility (LCU) vessel valued at over $6.5 million in a Heavy Boat Company. They act as the assistant to the Vessel Master and assume all responsibilities in the Master’s absence. Their duties include ensuring the Master’s orders are obeyed, managing the ship’s daily routine, and supervising a 13-member enlisted crew. They oversee administrative actions, personnel training, professional development, tests, drills, inspections, vessel maintenance, safety, inventories, cargo operations, and navigation.

Marine Safety NCO – 88K2O

In the 545th Harbor Master Detachment, the Marine Safety NCO serves as the primary responsible person for enforcing physical security and marine safety. They support two Logistical Support Vessels (LSV) valued at over $50 million, capable of worldwide deployment. The Marine Safety NCO is directly responsible for the safety of more than 120 Soldiers and oversees the health, morale, welfare, and supervision of two Soldiers. They ensure their Soldiers are proficient in skill level one tasks and are responsible for the accountability and maintenance of 150 sensitive items, totaling more than $250,000.

88K40 Watercraft Operator

The Watercraft Operator is responsible for the individual training readiness of a Floating Craft company. They coordinate and manage training resources, provide specialized consultation to the unit commander, and contribute operational abilities in evaluating unit readiness. The Watercraft Operator is responsible for requesting individual and group orders to facilitate individual and unit missions. They provide guidance in developing the unit training calendar, training schedule, and evaluations of Mission Essential Task List (METL) tasks. Maintaining a high level of knowledge and awareness of effective unit training is also part of their responsibilities.

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