20 FM 3-09.32/MCRP 3-16.6A/NTTP 3-09.2/AFTTP(I) 3-2.6 Dec 2007

f. Mission Formats

Format 1. Adjust Fire Mission (Grid Method)

Observer: “__________ this is ___________, Adjust Fire, Over” (FDC Call Sign) (Observer Call Sign) “Grid ______________, Over” (Minimum 6-digits) Target Description: “___________________________” (Target Description, Size, Activity) Method of Engagement (optional): (Danger Close, Mark, High Angle, Ammo / Fuze Type) Method of Fire and Control (optional): (At My Command, Time on Target, Request Splash, Request TOF, Request Ordinate Altitude Information) “Over” FDC may challenge after they read back the above. The observer should be prepared to authenticate.

Message to Observer (* = Mandatory Call)

Units to Fire* (Firing Unit, Adjusting Unit) Changes to Call for Fire (If any) Number of Rounds* (Per Tube) Target Number* Time of Flight (Seconds) Ordinate Altitude Information

Given After Message to Observer

“Direction _________________, Over” (Mils or Degrees*) [*Mils is the default – specify if using degrees.] When requesting mortar fires, direction is given as OTL when talking to the FDC. Direction is given as GTL when sending directly to the mortar crew. (See FM 3-22.90, Mortars.)

Adjustments

“Left/Right ________” (Meters, Distance from Impact to OTL) “Add/Drop ________ , Over” (Meters, Distance from Impact to Target) “Up/Down __________” (Only for Airburst Rounds – typically USMC only) (Meters, Distance from Height of Burst (HOB) to Desired HOB)

Mission Completion

“End of Mission ____, Over.” (BDA and Target Activity) or “Refinements, Record as Target, End of Mission, and Surveillance (RREMS)” RREMS transmission is optional.