What is the best military unit in the world?
Your question has several answers; each answer has its own caveats. The best trained military unit is in the world are the US Special Forces: Navy SEALS, Marine Corps Recon; and Army Rangers. The most elite service in the world are the Tower Guards of the UK, they guard the London Tower(almost 1,000 years now.) The oldest continuously active military unit is Probably the Swiss Guard. They guard the Pope and the Vatican (only about 300 members and over 1,300 years old.) The fiercest military force is probably the French Foreign Legion. Well known as the toughest battlefield force ever. It is made up entirely of non-French servicemen.
