If youre one of the people who plays Search and Destroy (SnD) in Call of Duty games, Infinity Ward as a cool new feature in Modern Warfare! Spotted by Reddit user TenaciousDMAN is the confirmation of a Modern Warfare spectator mode having a helmet cam option!
Source: N4G PC Call of Duty: Modern Warfare Spectator Mode Will Have a Helmet Cam Option, NVG on Characters Fixed