Other than that, they can come in handy for Co-Op when you send an advance scout in and you wait for him to radio back that he is “in”. He can mark a spot of interest with an IR Strobe, and then the rest of your team can follow it in.
"Kaylee, find that kid that's taking a dirt nap with baby Jesus; we need a hood ornament." ~ Capt. Malcolm 'Mal' Reynolds : Serenity