Types  of  Guided  Missiles Guided  missiles  are  divided  into  two  types—service missiles and nonservice missiles. SERVICE  MISSILES.—   These   missiles   are generally  referred  to  as  tactical  missiles.  Service missiles  are  fully  operational  and  fully  explosive  loaded rounds, designed for service use in time of war. NONSERVICE MISSILES.— These include all types of missiles other than service or tactical. They are subdivided as captive air training missiles (CATMs), dummy  air  training  missiles  (DATMs),  special  air training   missiles   (NATMs),   and   practice   guided weapons   (PGWs). Some practice and training missiles are used for actual launching. They contain live propulsion and guidance  systems  with  inert  loaded  warheads.  They  are fitted with pyrotechnic fuze indicator signals and/or tracking  flares  that  give  a  visual  indication  of missile/target impact. These missiles can also be fitted with   a   telemetry-type   warhead,   which   transmits electronic  signals  to  a  monitoring  station.  The monitoring  station  displays  the  missile’s  in-flight performance  and  missile/target  hit.  Some  types  of exercise  missiles  contain  explosive-destruct  charges  so the   missiles   destroy   themselves   in   flight.   These explosive-destruct charges, when installed, are used as a safety measure so the missile does not travel beyond the established target range. The CATMs are used for pilot training in aerial target  acquisition  and  aircraft  controls/displays.  They have  both  tactical  and  training  components. The DATMs are ground training missiles used to train   ground   personnel   in   missile   assembly/ disassembly,  uploading/downloading,  and  handling procedures. The NATMs are used for pilot training during fleet weapon training exercises. The PGWs are used for stowage procedures and techniques.  All  components  are  completely  inert. Service missiles are fired as practice or training missiles  when  approved  by  proper  authority.  Normally, approval is restricted to missiles that are obsolete or to missiles that have exceeded their normal service life. Guided  missiles  used  in  naval  aviation  include air-to-air  and  air-to-surface  missiles.  Air-to-air  guided missiles are fired by one aircraft against another aircraft. Air-to-surface  guided  missiles  are  fired  from  an  aircraft against a target on the land or water surface. For  further  information  on  the  classification  of guided missiles, you should refer to United States Navy Ammunition  Historical  and  Functional  Data,NAVSEA SW010-AB-GTP-010,   and  Identification   of Ammunition,  NAVSEA    SW010-AF-ORD-010. MISSILE  DESIGNATION The  Department  of  Defense  established  a  missile and  rocket  designation  sequence.  The  basic  designation (table 3-1) of every guided missile are letters, which are in  sequence.  The  sequence  indicates  the  following: 1.  The  environment  from  which  the  vehicle  is launched 2. The primary mission of the missile 3. The type of vehicle Examples of guided missile designators common to the Aviation Ordnanceman are as follows: Basic Designator Meaning AGM Air-launched,  surface-attack,  guided missile AIM Air-launched, intercept-aerial, guided missile ATM Air-launched, training guided missile RIM Ship-launched,  intercept-aerial,  guided missile The  basic  designator  is  followed  by  a  design number.  In  turn,  the  number  may  be  followed  by consecutive letters, which show a modification. For example,  the  designation  of  AGM-45C  means  the missile  is  an  air-launched  (A),  surface-attack  (G), missile   (M),   forty-fifth   missile   design   (45),   third modification   (C). In  addition,  most  guided  missiles  are  given  popular names, such as Sparrow, Sidewinder, Harpoon, and Shrike.   These   names   are   retained   regardless   of subsequent modifications to the original missile. MISSILE IDENTIFICATION The external surfaces of all Navy guided missiles, except radome and antenna surfaces, are painted white. The  color  white  has  no  identification  color-coding significance when used on guided missiles. There  are  three  significant  color  codes  used  on guided  missiles  and  their  components-yellow,  brown, 3-2