DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000 NAVY PENTAGON
WASHINGTON DC 20350-2000
OPNAVINST 3501.411
N4
29 Mar 2023
OPNAV INSTRUCTION 3501.411
From: Chief of Naval Operations
Subj: REQUIRED OPERATIONAL CAPABILITIES AND PROJECTED OPERATIONAL
ENVIRONMENT FOR THE ROLE 2 ENHANCED EXPEDITIONARY MEDICAL
UNIT
Ref: (a) OPNAVINST C3501.2L (NOTAL)
(b) DoDD 6200.04 of 9 October 2004
(c) JP 4-02
(d) OPNAVINST 4040.39D
(e) OPNAVINST 3000.16
(f) DoDD 7730.65 of 11 May 2015
(g) OPNAVINST 3000.15A
Encl: (1) Projected Operational Environment for the Role 2 Enhanced Expeditionary Medical
Unit
(2) Required Operational Capabilities for the Role 2 Enhanced Expeditionary Medical
Unit
1. Purpose. To issue required operational capabilities (ROC) and the projected operational
environment for the role 2 enhanced (2E) Expeditionary Medical Unit (EMU) per references (a)
through (g).
2. Background. The EMU provides medical capabilities and role 2E forward resuscitative care
capability aboard and expeditionary fast transport (T-EPF) flight two vessel and at shore-based
role 2E facilities.
3. Scope and Applicability. Per reference (a), enclosures (1) and (2) define EMU mission areas,
operational capabilities and employment environments. This instruction supports manpower
planning and readiness reporting criteria definition. Force development, force generation and
force employment activities for the EMU should follow reference (e). Reference (f) should be
followed for all readiness reporting of the EMU.
4. Action. Fleet commanders are requested to periodically review enclosures (1) and (2) and
recommend changes through appropriate administrative chain of command to Director, Medical
Systems Integration and Combat Survivability (OPNAV N4L4) when mission or capabilities of
the EMU are significantly altered. Change recommendations should include comments on the
expected fleet manning document and activity manning document impact.
