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.
Rear admiral. Rear admiral is a naval commissioned officer rank above that of a commodore and captain, and below that of a vice admiral. It is generally regarded as the lowest of the admiral ranks, which are also sometimes referred to as flag officers or flag ranks. In many navies it is referred to as a two-star rank (OF-7).