1) United States Marine Corps vs United States Navy vs United States Coast Guard
I've read some articles on wikipedia and found out that the USMC are amphibious while the UNNavy is specialized in water while the USCG chiefly protect the coast of their country. But if the former two overlap each other at the water specialization, why don't the government abandon the redudant Navy and concentrate on consolidating the Marine Corps?
2) We say: in a funeral or at a funeral?