The crossword solutions for the term 'Senator John' are 'Glenn' (5 letters) and 'McCain' (6 letters). Senator John Glenn was an American astronaut, politician, and United States Marine Corps aviator. He was the first American to orbit the Earth in 1962 and later served as a Democratic U.S. Senator from Ohio from 1974 to 1999. Senator John McCain was an American politician and military officer who served as a Republican U.S. Senator from Arizona from 1987 until his death in 2018. He was the Republican nominee for President of the United States in the 2008 election.