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.
Navies are now responsible for a nationâs strategic nuclear deterrent, defense against ballistic missiles, space operations, humanitarian assistance and disaster relief. With that in mind, here are the five most powerful navies in the world. First place on the list is no surprise: the United States Navy. The U.S. Navy has the most ships by far of any navy worldwide. It also has the greatest diversity of missions and the largest area of responsibility.