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.
This is a complete list of four-star admirals in the United States Navy. The rank of admiral (or full admiral, or four-star admiral) is the highest rank normally achievable in the U.S. Navy. It ranks above vice admiral (three-star admiral) and below fleet admiral (five-star admiral). There have been 262 four-star admirals in the history of the U.S. Navy.