The significance of the Association of Public Health Laboratories (APHL) core functions and capabilities of SPHLs lies in the fact that laboratory testing is a common denominator for fulfillment of these and the majority of public health objectives, which are designed to be met by measurable indicators of goals.
1 Naval Termsthe commander in chief of a fleet. 2  Naval Terms, Militarya naval officer of the highest rank. 3  Naval Terms, Militarya naval officer of a high rank: the grades in the U.S. Navy are fleet admiral, admiral, vice-admiral, and rear admiral.
What is a Commander? In contrast to a lieutenant colonel in the Army, a Navy commander is usually the executive officer of a large vessel, such as an aircraft carrier. Commanders also may serve as captain of smaller boats like destroyers or frigates. This rank also exists in the U.S. Coast Guard and maritime service.