Obtaining Gemological Training. 1  1. Match your desired career path to a gemology school. 2  2. Enroll in a comprehensive diploma program. 3  3. Enroll in a gemologist certification program.  4. Take the courses specific to your 1  program. 5. Take a comprehensive final exam.  6. Obtain an apprenticeship.
Russia launches its most powerful submarine ever, capable of blasting nuclear warheads at targets 1,500 miles away. Russia has launched its most powerful submarine ever which is said to be capable of blasting nuclear warheads at targets 1,500 miles away on land. The Project 885 Yassen class fourth-generation Kazan nuclear submarine has been under construction since 2009 ahead of its launch on Friday Severodvinsk in northern Russia.
Submarines are very largeâthe hull of the USS Balao (image at left, SS-324 Balao), one of the most successful U.S. submarines and a good example for the basic idea of a submarine, was 312 feet long and displaced 2,415 tons; but also very cumbersomeâUSS Balao carried 10 officers and 70 enlisted men.