On the other hand, standard, or open pollinated varieties are more or less stabilized in their characteristics. They remain fairly consistent, producing seed that will grow into plants more or less like their parent plants, though less uniform than hybrids.
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. Of these, 221 achieved that rank while on active duty, 40 were promoted upon retirement in recognition of combat citations, and one was promoted posthumously.
Michelle Howard is first woman to hold rank of four star admiral in navyâs 238-year history. The female naval officer who masterminded the rescue of Captain Richard Phillips from the clutches of Somali pirates has been appointed the US Navyâs vice chief of staff, becoming the first woman to reach the rank of four star admiral.