Question: Which military branch did both Howard McCrum Snyder and Dwight D. Eisenhower serve in? 

Context articles: Medical corps
Dwight D. Eisenhower Memorial
Dwight D. Eisenhower
Cyber force
Howard McCrum Snyder
Army
Eisenhower Home
Cyber and Information Space Command (Germany)
Central Military Commission (China)
Officer training

A medical corps is generally a military branch or officer corps responsible for medical care for serving military personnel.
 Such officers are typically military physicians.
The Dwight D. Eisenhower Memorial is a planned United States presidential memorial to honor Dwight D. Eisenhower, the Supreme Commander of the Allied Forces in Europe during World War II and the 34th President of the United States.
 On October 25, 1999, the United States Congress created the Dwight D. Eisenhower Memorial Commission, and charged it with creating "...an appropriate permanent memorial to Dwight D. Eisenhower...to perpetuate his memory and his contributions to the United States."
 A preliminary design by architect Frank Gehry proved controversial.
 After several years of hearings and several design changes, a revised preliminary design won approval from the United States Commission of Fine Arts in the summer of 2013.
 After additional changes, another revised preliminary design was approved by the National Capital Planning Commission in October 2014.
 Final detailed design approvals were given in June and July 2015, but funding for the memorial remains in doubt despite the recent implementation of a private fundraising effort.
Dwight David "Ike" Eisenhower ( ; October 14, 1890 – March 28, 1969) was an American politician and Army general who served as the 34th President of the United States from 1953 until 1961.
 During World War II, he was a five-star general in the United States Army and served as Supreme Commander of the Allied Expeditionary Forces in Europe.
 He was responsible for planning and supervising the invasion of North Africa in Operation Torch in 1942–43 and the successful invasion of France and Germany in 1944–45 from the Western Front.
A cyber force is a military branch devoted to cyberwarfare, cybersecurity and counter-cyberwarfare.
 An example of a cyber force is the Norwegian Cyber Defence Force.
 A Cyber force can be part of a military branch or a combined command.
Major General Howard McCrum Snyder (February 7, 1881 - September 22, 1970) was a member of the United States Army Medical Corps, and Physician to the President for Dwight D. Eisenhower.
An army (from Latin "arma" "arms, weapons" via Old French "armée", "armed" (feminine)) or ground force is a fighting force that fights primarily on land.
 In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or state.
 It may also include other branches of the military such as the air force via means of aviation corps.
 Within a national military force, the word army may also mean a field army.
 They differ from army reserves who are activated only during such times as war or natural disasters.
The Eisenhower Home in Abilene, Kansas at the Eisenhower Presidential Center, was the house where U.S. President Dwight D. Eisenhower lived with his five brothers from 1898 to 1911, when he entered the U.S. Military Academy at West Point at age 20.
 In 1898 Eisenhower's father, David Jacob Eisenhower, and his wife Ida Elizabeth Stover Eisenhower, bought the house from David's uncle Abraham.
 David and Ida lived in the house until their deaths in 1942 and 1946.
The Cyber and Information Space Command (German: "Kommando Cyber- und Informationsraum") (Kdo CIR) is the youngest branch of Germany's military the Bundeswehr.
 The decision to form new military branch was presented by Defense Minister Ursula von der Leyen on 26 April 2016, with the command becoming operational on 1 April 2017.
 The command's headquarter is Bonn.
The Central Military Commission (CMC) refers to the parallel national defense organizations of the Communist Party of China and the People's Republic of China: the Central Military Commission of the Communist Party of China, a Party organ under the CPC Central Committee, and the Central Military Commission of the People's Republic of China, a central state organ under the National People's Congress, being the military branch of the national government.
Officer training refers to the training that most military officers must complete before acquiring an officer rank.
 A potential recruit becomes an officer cadet, someone in training.
 An officer in training can either be trained in a military college, such as West Point, or taken from the enlisted ranks.
 After this training is complete, the recruit in question becomes a fully fledged officer, taking on a commanding position in his or her military branch.