| No. | Item | Definition |
|---|---|---|
| 1. | advance | move forward tactically |
| 2. | ally | friendly supporting nation or force |
| 3. | ambush | surprise attack from concealment |
| 4. | ammunition | bullets, shells, or cartridges |
| 5. | AO | area of operations |
| 6. | APC | armored personnel carrier |
| 7. | artillery | large-caliber military guns |
| 8. | assault | violent attack on objective |
| 9. | barracks | military housing building |
| 10. | base | military installation |
| 11. | basic training | introductory military instruction |
| 12. | battalion | military unit of companies |
| 13. | body armor | protective vest against attacks |
| 14. | boot camp | initial military training |
| 15. | briefing | informational military meeting |
| 16. | brigade | large military formation |
| 17. | chain of command | line of military authority |
| 18. | checkpoint | controlled inspection point |
| 19. | combat | fighting in war |
| 20. | command | authority over military forces |
| 21. | commission | official officer appointment |
| 22. | company | military unit of several platoons |
| 23. | convoy | group of military vehicles |
| 24. | corps | large tactical military formation |
| 25. | debrief | review after mission or event |
| 26. | deployment | military assignment to an operation |
| 27. | discipline | controlled military behavior |
| 28. | division | major military formation |
| 29. | dog tags | military identification tags |
| 30. | drill | military training exercise |
| 31. | drone | unmanned aircraft or vehicle |
| 32. | duty | moral or assigned obligation |
| 33. | enemy | opposing military force |
| 34. | engagement | military encounter with enemy |
| 35. | enlist | join the military voluntarily |
| 36. | evacuation | organized removal from danger |
| 37. | extraction | removal of personnel from area |
| 38. | firefight | brief exchange of gunfire |
| 39. | flank | side of a military formation |
| 40. | foxhole | small defensive fighting pit |
| 41. | garrison | troops stationed at a place |
| 42. | GI Bill | education benefit for veterans |
| 43. | grenade | small explosive thrown by hand |
| 44. | guard | protective military duty |
| 45. | helicopter | rotary-wing military aircraft |
| 46. | helmet | protective headgear |
| 47. | honor | high moral military conduct |
| 48. | Humvee | military utility vehicle |
| 49. | IED | improvised explosive device |
| 50. | intel | military information about enemy |
| 51. | KIA | killed in action |
| 52. | logistics | movement and supply support |
| 53. | magazine | container feeding firearm rounds |
| 54. | maneuver | planned tactical movement |
| 55. | medevac | medical evacuation from danger |
| 56. | medic | military medical specialist |
| 57. | MIA | missing in action |
| 58. | minefield | area planted with explosive mines |
| 59. | mission | assigned military task or purpose |
| 60. | mortar | short-barreled indirect-fire weapon |
| 61. | MOS | military occupational specialty |
| 62. | NCO | noncommissioned military leader |
| 63. | officer | military leader with commission |
| 64. | orders | official military instructions |
| 65. | patrol | assigned security movement |
| 66. | pension | regular retirement payment |
| 67. | perimeter | outer defensive boundary |
| 68. | platoon | military unit below company |
| 69. | post | assigned duty location |
| 70. | POW | prisoner of war |
| 71. | PT | physical training |
| 72. | rank | position in military hierarchy |
| 73. | rations | food issued to troops |
| 74. | readiness | state of being prepared |
| 75. | recon | military scouting and observation |
| 76. | resilience | ability to recover under stress |
| 77. | retreat | withdraw from combat |
| 78. | ROE | rules for using force |
| 79. | rucksack | military backpack |
| 80. | sacrifice | giving up for a greater cause |
| 81. | security | protection against threats |
| 82. | sentry | guard posted on watch |
| 83. | service | duty in the armed forces |
| 84. | sidearm | handgun carried as backup |
| 85. | squad | small military team |
| 86. | submarine | warship operating underwater |
| 87. | supply | needed military materials |
| 88. | tank | armored tracked combat vehicle |
| 89. | theater | region of military operations |
| 90. | transition | move from service to civilian life |
| 91. | trauma | deep physical or emotional injury |
| 92. | trench | long defensive ditch |
| 93. | uniform | standard military clothing |
| 94. | unit | organized military group |
| 95. | VA | veterans’ federal support agency |
| 96. | valor | great courage in danger |
| 97. | veteran | former military service member |
| 98. | vigilance | careful alert watchfulness |
| 99. | watch | assigned period of guard duty |
| 100. | WIA | wounded in action |
