00:08the fighter 35 or f-35 often called the ghost of the skies built to be invisible designed to strike
00:18without being seen but what if that invisibility is now being challenged Iran claims it has not
00:25just detected but possibly shot down a second American f-35 no confirmation yet from the United
00:34States but if even partially true this changes the rules of modern warfare for decades stealth
00:43have been the backbone of us air dominance the idea was simple enter enemy airspace undetected
00:50strike and exit the f-35 achieves this by reducing its radar signature its shape deflects radar waves
01:00its materials absorb them on radar screens it appears tiny sometimes almost invisible but here's
01:10the critical point stealth does not mean invisible it means harder to detect so the real question is if
01:19radar cannot see it how is Iran tracking it the answer may lie in a completely different domain
01:27not radio waves but heat reports suggest Iran is using passive infrared tracking systems also known
01:36as IRST these systems don't emit signals like a radar they don't announce their presence they simply watch
01:46and what do they watch heat every jet engine produces intense thermal energy even the most advanced aircraft
01:55cannot fully hide it at high speeds during sharp maneuvers or while deploying weapons that heat signature
02:04becomes even stronger so while the f-35 may evade radar it cannot escape physics
02:15detection is only half the story the second layer is interception
02:20Iran's short-range air defense systems are believed to use imaging infrared seekers missiles that lock directly
02:29onto heat no radar guidance is needed once they lock they track autonomously in simple terms find the heat
02:39the heat follow the heat strike the heat what Iran appears to be building is a layered defense system radar
02:46passive sensors mobile missile units all working together even if one system misses another picks up the signal
02:55this is not about one breakthrough it's about a network a shift from radar centric warfare to multi-spectrum tracking
03:05and the implications go far beyond this conflict if Iran has captured the thermal or electromagnetic
03:13signature of the f-35 that data becomes extremely valuable shared with countries like russia or china
03:22it could accelerate counter stealth technologies worldwide for now the claims remain unverified but the signal
03:31is clear stealth is no longer absolute the battlefield is evolving and the question is no longer can stealth
03:41aircraft be detected the question now is how long can they stay undetected and at what cost
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