and  Gator  weapons. The  FMU-140/B  is  a  self- powered  doppler  radar  device  acting  as  a  radar altimeter.  Arming  times  and  functioning  altitudes  are variable  and  are  preflight  selectable  on  the  fuze faceplate,  located  on  the  side  of  the  fuze.  In  the proximity  mode,  if  the  preselected  altitude  is  reached before the fuze has had time to arm, or the dispenser is released below the pre-selected altitude, the fuze will  have  the  potential  to  function  anytime  after arming. If the fuze has not functioned by the time it reaches an altitude of 300 ±25 feet, it will function at that  time. Q1. Q2. Q3. Q4. Q5. Q6. Q7. REVIEW NUMBER 5 All  electric  capability  for  Mk  80  with  either conical  or  retarding  fins,  thermally  protected bombs, and laser-guided bombs is provided by ________________________. No  unusual  RADHAZ  precautions  are  taken when using Mk 344 or Mk 376 fuzes because they are  classified  as__________. Name the electric fuze that is used for retarded delivery of the Mk 80 (series) bomb. List the functions of the Mk 31 safety device. What is the purpose of the Mk 122 Mod 0 arming safety switch ? What is the purpose of the Mk 43 Mod 0 target detecting  device? What is used to power the internal circuitry of the TDD? AIRCRAFT BOMB AMMUNITION AND  ASSOCIATED COMPONENTS LEARNING   OBJECTIVE:   Identify   the purpose and types of aircraft bombs, the safety procedures  to  be  followed  during  bomb shipment,  and  the  methods  used  to  carry bombs. Aircraft bombs are released over enemy targets to reduce and neutralize the enemy’s war potential. This is done by destructive explosion, fire, nuclear reaction, and war gases. Aircraft bomb ammunition is used strategically to destroy installations, armament, and personnel; and tactically in direct support of our land, sea, and air forces engaged in offensive or defensive operations. For  safety  reasons,  some  bomb  ammunition  is shipped  and  stowed  without  the  fuzes  or  arming assemblies  and  associated  components  installed.  This ammunition  must  be  assembled  before  use.  Other types, such as cluster bomb units (CBUs), are shipped and  stowed  as  complete  assemblies,  with  fuzs  or arming assemblies and associated components installed. Bombs are designed to be carried either in the bomb bay of aircraft or externally under the wings or fuselage. The  general  characteristics  and  basic  principles  of operation  of  bomb  ammunition  and  its  associated components  are  described  in  this  chapter.  Bombs assembly procedures are discussed in chapter 13 of this manual. GENERAL-PURPOSE BOMBS AND FIN ASSEMBLIES LEARNING   OBJECTIVE:   Identify  the purpose and use of general-purpose bombs to include  shipping  configuration,  fuze  wells  and charging circuits, suspension lugs, arming wire assemblies,  and  fin  assemblies. Low-drag,  general-purpose  (LDGP)  bombs  are used in most bombing operations. Their cases (bomb body) are aerodynamically designed, relatively light, and approximately 45 percent of their weight is made of explosives. General-purpose bombs may use both nose and tail mechanical or electric fuzes and conical or Snakeye  fins. The general-purpose bombs currently in use are the LDGP Mk 80 (series). The specifications for the 1-23