President Ebele Jonathan to commission For warships in Lagos Today

President Goodluck has decided to make the security of the country via the waterways stronger by commissioning for warships. He is currently in lagos to commision the, and their names are Okpabana, Sagbama, Centenary and Prosperity, and i wonder why the would give them thos names. Anyways i dont know what those names mean. see more pictures after cut.