He served in the Spanish -- American War in Cuba , the Philippine insurrection , and in China .
Dr. McHenry joined the United States Volunteers in 1898 , as a contract surgeon with the rank of Captain .
McHenry served in the Spanish -- American War in Cuba , the Philippine insurrection , and in China .
Dr. McHenry joined the United States Volunteers in 1898 , as a contract surgeon with the rank of Captain .