Part B is Medical Insurance and covers physicians services, outpatient care, test, and supplies. (see Medicare Part B)
Medicare started offering insurance coverage for prescription drugs through Medicare prescriptions drug plans and other health plan options. Medicare's prescription drug coverage will typically pay over half of your drug costs, for a monthly premium. (see Medicare Part D)
For most Americans Recreational Vehicle insurance is a very expensive purchase. To make an informed decision you should learn as much as you can about the underwriting factors that affect the cost, the different amounts of coverage available, the requirements in your state, and about what insurance companies have the best rate for you.