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Marine Corps MOS · Combat & Infantry

1803 Assault Amphibian (AA) Officer

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

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Overview

Assault Amphibian Officers command or assist in commanding assault amphibian units and advise supported commanders on their tactical employment. They direct units during maneuvers and combat, coordinate ship to shore movement of assault amphibious vehicles with Navy units, and oversee personnel, equipment readiness, operations, and logistics support.

Core Skills

  • Ship-to-shore movement coordination with naval units
  • Personnel and amphibious vehicle readiness oversight
  • Operational logistics support identification and coordination

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Transportation, Storage, and Distribution Managers

Responsibility for AA unit personnel, equipment readiness, vehicle employment, and logistics support transfers to fleet operations and transportation coordination.

How to prepare: Build a civilian fleet-readiness planning sample that links vehicle availability, maintenance needs, staffing, and movement schedules.

What the civilian work involves
  • Inspect physical conditions of warehouses, vehicle fleets, or equipment and order testing, maintenance, repairs, or replacements.
  • Plan, organize, or manage the work of subordinate staff to ensure that the work is accomplished in a manner consistent with organizational requirements.
  • Collaborate with other departments to integrate logistics with business systems or processes, such as customer sales, order management, accounting, or shipping.
Civilian tools and software (examples)
  • Microsoft Excel
  • Microsoft Project

Logisticians

Identifying and coordinating required logistics support for AA operations transfers to understanding customer support needs and coordinating logistics services.

How to prepare: Create a logistics support plan for a civilian customer scenario, documenting requirements, delivery targets, and a method for reviewing service performance.

What the civilian work involves
  • Maintain and develop positive business relationships with a customer's key personnel involved in, or directly relevant to, a logistics activity.
  • Develop an understanding of customers' needs and take actions to ensure that such needs are met.
  • Review logistics performance with customers against targets, benchmarks, and service agreements.
Civilian tools and software (examples)
  • Microsoft Excel
  • SAP software

Notes & Sources

Evidence for this guidance (3 documents)
  1. NAVMC 1200.1L (FY26, in force): MOS 1803

    [1] MOS 1803 section "a. Summary"; cached text line 7069; NAVMC 1200.1L signed 2025-03-07, in force until 2026-10-01

    Supports: Ship-to-shore movement coordination with naval units, Personnel and amphibious vehicle readiness oversight, Operational logistics support identification and coordination, Transportation, Storage, and Distribution Managers (O*NET 11-3071.00), Logisticians (O*NET 13-1081.00)

  2. O*NET: Transportation, Storage, and Distribution Managers

    [2] O*NET 30.3 occupational data

    Supports: Transportation, Storage, and Distribution Managers (O*NET 11-3071.00)

  3. O*NET: Logisticians

    [3] O*NET 30.3 occupational data

    Supports: Logisticians (O*NET 13-1081.00)

Defense contractor jobs for 1803

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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