Final answer:
The periodic performance evaluation ending date for a Petty Officer Third Class is March 1st. This evaluation supports important personnel management decisions.
Step-by-step explanation:
For a Petty Officer Third Class in the United States Navy, the periodic performance evaluation ending date is March 1st. The evaluation cycle is designed to assess the professional performance and growth of the individual, supporting decisions on promotions, assignments, and other personnel management areas. Different ranks may have different periodic evaluation ending dates, but for a Petty Officer Third Class, it falls on March 1st.