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1.4. (c)
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24. (S//SI) USIB-C-29.22/7 16 Feb 1961, CCH
Series XILB, Box 10.
25. (S//SI) Ibid.
26. (TS//SI) Ibid., 32.
27. (TS//SI) Ibid., 33.
28. (T~//~I) George Howe, "Historical Study of
U.S. Cryptologic Activities in Southeast Asia, 1960­
1963," unpublished manuscript, XII.NN.
29. (TSl/SI) Gerhard, 59.
30. (TS//SI) Ibid., 60.
31. (TSl/SI) Johnson, 504.
32. (TSl/Sn Gerhard, 61.
33. (TS//SI) James Gilbert, History of Army
Airborne Radio Direction Finding Operations
(Arlington, VA: Historical Division, Army Security
Agency, 1974), 15.
34. (U) Dan Perkes, ed., The Eyewitness History
of the Vietnamese Conflict (New York: Associated
Press, 1983) 2.
35. (8//81)1r---------I'Historyofthe
South Vietnamese DIrectorate tor Technical Security,"
Cruptoloqic Quarterly, Vol. 13, No.1 (Spring 1994)
157.
36. (r8//81) NSA Pre-Watch Committee Material,
B2, 2 January 1962, Series VI.HH.6.79.
37. (TSl/SI) Gilbert, 13.
46. (TSl/SI) Gerhard, 66.
47. (TSl/51) Howe, 70.
49. (TSl/SI) Howe, 73.
50. (TS//Sn Gerhard, 66; (U) Futrell, 138.
51. (U) Futrell, 139.
m mff'sf/Sn
52:
m u
I .
DIRNSA 111806Z July 19Jf,~, 1. 4. (d)
07062/11, CCH Series N.A.20.
53. (T~//~I) Gilbert, 29.
54. (TS//Sn Howe, 73.
55. (TS//SI) "US-ARVN ARDF Agreement," 6 July
1963, NCAACC# 39325.
56. (T~//~I) Gerhard, 70.
57. (S//~I) Gerhard, 68.
58. (TSl/Sn Gilbert, 32.
59. (TS//SI) Johnson, 509.
60. cr8l/SI) SSO SAIGON, 120900Z October
1961, AGI 44611, NCA ACC# 30039.
61. (TS//SI) Ibid.
39. (TS//SI) Gilbert 16.
40. Cr8//81) Ibid., 21-22.
41. (T~//~I) Ibid., 25.
42. (TS//Si) Gerhard, 66.
43. (U) Robert F. Futrell, The United States Air
Force in Southeast Asia: The Advisory Years to 1965
(Office of Air Force History, 1981), 138.
44. (TSl/SI) Howe, 73.
45. C'"r8//81) Hanyok, 24.
64. (U) Olson and Roberts, 98-99.
65 (U) Capt. Ronnie Ford USA. Tet 1968:
Understanding the Surprise (London: Frank Casso
1995),20.
1 ------,---.,-
67. (TS//SI) Gerhard, 68.
68. C'f'8//8I) Gerhard, 69.
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