This website is not affiliated with the U.S. government or military.


Use to provide the observer's initial report giving basic data on a nuclear attack, biological attack, chemical attack, or releases other than attack (ROTA). This NBC1/ROTA voice message accommodates all NBC1/ROTA reporting. Reference: ATP-45 and FM 3-7.

LINE 1 -- DATE AND TIME______________________________(DTG)

LINE 2 -- UNIT________________________________________(Unit Making Report)

LINE 3 -- EVENT_______________________________________(Type of Incident: NUCLEAR, NUC.NAV, BIOLOGICAL, BIO.NAV, CHEMICAL, or CHEM.NAV)

LINE 4 -- ALFA________________________________________(NBC Strike Serial Number)

LINE 5 -- BRAVO______________________________________(Position of Observer: UTM or Six-Digit Grid Coordinate With MGRS Grid Zone Designator)

LINE 6 -- CHARLIE_____________________________________(Direction of Attack in Mils or Degrees as Measured Clockwise From Grid, True, or Magnetic North of Attack or ROTA From the Observer)

LINE 7 -- DELTA_______________________________________(DTG of Detonation or Beginning of Attack or

LINE 8 -- ECHO________________________________________(End DTG of Attack or ROTA)

LINE 9 -- FOXTROT____________________________________(UTM or Six-Digit Grid Coordinate With MGRS Grid Zone Designator of Attack and Code Used to Represent if Reported Location of Attack or ROTA is Actual or Estimated)

LINE 10 -- GOLF_______________________________________(Vehicle or Device by Which Weapon Was Delivered or ROTA Was Released)

LINE 11 -- HOTEL _____________________________________(Type of Burst, Biological/ Chemical Agent, and Persistency)

LINE 12 -- INDIA ______________________________________(Number of Munitions or Aircraft)

LINE 13 -- JULIET______________________________________(Time in Seconds Denoting Flash-to-Bang DTG of Nuclear Attack)

LINE 14 -- KILO_______________________________________(Terrain and Vegetation Description or Crater Indicator and Width in Feet or Meters)

LINE 15 -- LIMA _______________________________________(Nuclear Burst Angular Cloud Width Measured at Five Minutes After Detonation Measured in Degrees or Mils)

LINE 16 -- MIKE_______________________________________(Stabilized Cloud Top or Bottom Height in Feet or Meters or Angular Cloud Top or Bottom Angle in Degrees or Mils Recorded at H+10 Minutes after Detonation)

LINE 17 -- PAPA ALFA ROMEO__________________________(Coordinate(s) of Hazardous Cloud or Area)

LINE 18 -- PAPA BRAVO ROMEO________________________(Downwind Direction of Radioactive Cloud)

LINE 19 -- SIERRA_____________________________________(DTG of the Reading, for Nuclear Reporting, or Initial Detection Time, for Biological/Chemical or ROTA Report)

LINE 20 -- YANKEE____________________________________(Representative Downwind Direction and Wind Speed or Radial Line Sector)

LINE 21 -- ZULU ALFA STABILITY_______________________(Air Stability Indicator, Either Detailed or Simplified)

LINE 22 -- ZULU ALFA TEMPERATURE____________________(Surface Air Temperature)

LINE 23 -- ZULU ALFA HUMIDITY________________________(Relative Humidity Range)

LINE 24 -- ZULU ALFA WEATHER________________________(Significant Weather Phenomena)

LINE 25 -- ZULU ALFA COVER___________________________(Cloud Cover)

LINE 26 -- ZULU BRAVO ILLUMINATION__________________(Illumination Time)

LINE 27 -- TIME________________________________________(DTG of Observation)

LINE 28 -- NARRATIVE_________________________________(Free Text for Additional Information Required for Clarification of Report)

LINE 29 -- AUTHENTICATION___________________________(Report Authentication)