1. The training and selections differ a great deal. this is not a question just to get the truth out there. Basically as I think you mean it, yes. Numerically the Royal Marines Commandos & Royal Marines Band Service number less than 6% of the Army trained strength, however it would probably be fair to say that the Corps punch well above their weight, are world renowned & highly respected for their expertise & the fact the infantry training is the longest in the Western world. Discussion in 'General Royal Marines Joining Chit Chat' started by matty630, Jul 14, 2008. matty630 Valuable Contributor. 1.USMC is a branch of the US military numbering in the hundred thousands while the Royal marines is the land assault or based navy unit in total number of 7500 give or take. ROYAL MARINES are going to war with US Marines in the first ever boxing battle between the hallowed fighting units on UK soil – and you can watch it live with The Sun. 2. If both were dumped in an extreme place e.g.desert or jungle with same equipment Who would win in a fight between: 1) 100 Royal Marines and 100 US Marines 2) 100 SBS soldiers vs 100 Navy Seals 3) Toughest US Soldier vs Toughest British Nepalese Ghurka 4) 100 US Soldiers vs 100 Mujahideen Taliban 5) 100 Pakistani Soldiers vs 100 Indian Soldiers Favorite Answer. Lets say we put 500 Royal Marines and 500 US MARINES on a forest deserted island, no air support nor sea support just infantry who do you think will win. In the case of the USMC we are talking about a force of over 150,000 with a 12 week basic training program to the UK's Commando force of about 6,000 with a 30 week commando course. Just been watching the Paras tv series on ITV and looks the training for Paras is a lot more harder than the Royal Marines. Two similarly named organizations, but with drastically different doctrines, capabilities, equipment and missions. Is this true because I’ve always thought Royal Marine commandos were the toughest. And no. Today sees one of the biggest grudge matches in the sporting calendar - the annual rugby game between Paras and Royal Marines. Answer Save. Marines from both natio… Lord Voldemort. The Royal Marines are a rapid deployment force. My mate is in the 1st battalion mercian regiment which is an infantry regiment. 1 decade ago. 0 1 0. Marines vs Army infantry. Previous answers from Americans comparing Royals and Paras to their own standard Marines and Airborne simply because of the name is pretty funny. Login to reply the answers Post; Anonymous. The RM are well trained light infantry with a Recce and Mountain troop element as well as their own supporting artillery, logistics and Engineers.