They`re not `independent of the CoC.....
Anyway,nobody answered my query about tactical IR PAPIs...?
50 Yrs ago we used to fly into DZ/LZs using torches mounted on bamboo poles,or Gurkhas holding torches,45 yrs ago I did trials on tactical ILS in helos and tac transports,;the Navy have been getting guys onboard at night using a man and illuminated tennis bats.,.........
Seems like not much `lateral/out of the box thinking` going on......
Gaius Petronius AD22-67
Must go and make up a few acronyms.....