All of us remember the scene when an outpost was attacked, Rex and Cody had arrived for inspection, but they saw a flare, to which Cody responded with "A Droid attack flare?" and Rex immediately shot a Commando impersonating a clone.
Recon MUSTN'T have the flare, instead, Officers and Leads should have them, as to mark the current situational reports by simply shooting a flare, a red would signal about a droid attack, a yellow would signal about the suspicious activity, white would signal the normal situation, orange would signal an emergency, you get the idea.