Allied[edit] In all, the US Army had over 103,000 soldiers (of these, 38,000+ were non-divisional artillery, combat support and HQ troops, with another 9,000 service troops),[34]: 39 over 88,000 Marines and 18,000 Navy personnel (mostly Seabees and medical personnel).[34]: 40 At the start of the Battle of Okinawa, the US Tenth Army had 182,821 personnel under its command.[34]: 40 It was planned