George Santayana, the Hispanic-American philosopher and poet, once said, ‘To know your future, you must know your past.’ He’s the same gentleman who also said, ‘Those who cannot remember the past are condemned to repeat it,’ a quote often mistakenly credited to Winston Churchill, who paraphrased Santayana during his famous 1948 speech. These are sentiments that can be said about today’s advanced high-flying drones. To understand their future — or present, as the case may be — you must first
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