The Vickers Vigilant was a British a 1960s era MCLOS wire guided anti-tank missile used by the British Army.
Read more about Vickers Vigilant: History, Description, Operators
Famous quotes containing the word vigilant:
“I count him a great man who inhabits a higher sphere of thought, into which other men rise with labor and difficulty; he has but to open his eyes to see things in a true light, and in large relations; whilst they must make painful corrections, and keep a vigilant eye on many sources of error.”
—Ralph Waldo Emerson (1803–1882)