scope:

The Submarine Engineered Operating Cycle (SEOC) Program applies to all submarines. Procedures necessary to exceed operating intervals or cycles apply to all submarines.

Purpose

a. To describe program elements, requirements, and responsibilities for support of engineered operating cycle programs for submarines.

b. To issue actions required before exceeding established submarine operating cycles.

c. To extensively revise and update the basic instruction, extending applicability to nuclear propulsion attack (SSN), subsurface ballistic nuclear (SSBN), and nuclear powered cruise missile (SSGN) submarines.