44. Rapidly: quickly and swiftly
45. Blitzkrieg: a quick military attack by water, land, air
46. Air Force: airplanes, jets and helicopters in the army القوات الجوية
47. Navy: the ships, submarines and boats in the army
48. Draft: Selective Service Act, forcing people to join the army
49. Attempt: Try
50. Aid: Help
51. Vow: Promise
52. Surrender: Give up
53. Radar: a machine that locates airplanes, ships, etc
54. Lease: to borrow something for money
55. Reverse: to change direction
56. method: a way to do something
