Citation:
For extraordinary heroism, conspicuous gallantry, and intrepidity while serving with the 6th Regiment, U.S. Marines, in actual conflict with the enemy. With absolute disregard for personal safety, ever conscious and mindful of the suffering fallen, Surg. Boone, leaving the shelter of a ravine, went forward onto the open field where there was no protection and despite the extreme enemy fire of all calibers, through a heavy mist of gas, applied dressings and first aid to wounded marines. This occurred southeast of Vierzy, near the cemetery, and on the road south from that town. When the dressings and supplies had been exhausted, he went through a heavy barrage of large-caliber shells, both high explosive and gas, to replenish these supplies, returning quickly with a sidecar load, and administered them in saving the lives of the wounded. A second trip, under the same conditions and for the same purpose, was made by Surgeon Boone later that day.

After the War he would serve as a personal Physician to Presidents Warren G. Harding, Calvin Coolidge, and Herbert Hoover, and gained a reputation of being a champion of patients rights, and a fierce defender and advocate of the highest standards of the Medical Profession. This strict ethical code he lived by often got him into conflict with superiors, who he would never hesitate to oppose if he believed his superior's orders and procedures were morally and ethically wrong. At the end of World War II he went to Japan to press for the release of sick and disabled war prisoners. He was promoted up to Vice-Admiral in the Naval Medical Corps, and after his retirement he served as Chief Medical officer for the Veterans Administration. In 1980 the United States Navy's "USS Boone" (FFG-28), an Oliver Hazard Perry-class guided missile frigate, was launched and named in his honor.