Can drones replace Trackers?

As Technology becomes way more sophsticated, this question is entirely licit. In recent times the Border Patrol has massively started to employ drones to control the borders with Mexico, monitoring the passage of illegal aliens and smugglers: " Hoping to help agents in the field, the Border Patrol is testing a fleet of personal drones, giving [...]

Combat tracking teams of Vietnam.

Not much is really known about them except for the few specialty instructors around that have dug into it some. They were a special operations team to say the least. Acceptance rates to qualify for a team were similar, maybe even lower than the the qualifications of today. They were extremely good and extremely well [...]