Open structure

**Open structures** are a category of facility which are fixed land-based structures which are not enclosed as full building. Open structures offer little protection to any housed units or storage, but are fundamentally difficult to completely destroy.

## Models

### Modern models

There are 104 models in the Modern database (v491):

1. Aircraft camouflaged parking spot (small)
2. Aircraft camouflaged parking spot (medium)
3. Aircraft camouflaged parking spot (large)
4. Aircraft open parking spot (small)
5. Aircraft open parking spot (medium)
6. Aircraft open parking spot (large)
7. Aircraft open parking spot (very large)
8. Aircraft tarmac space (small x 2)
9. Aircraft tarmac space (small x 4)
10. Aircraft tarmac space (medium x 2)
11. Aircraft tarmac space (medium x 4)
12. Aircraft tarmac space (large x 2)
13. Aircraft tarmac space (large x 4)
14. Aircraft tarmac space (very large x 2)
15. Aircraft tarmac space (very large x 4)
16. Aircraft wreckage
17. Ammo pad
18. Ammo shelter
19. Antenna tower, AM radio, long wave
20. Antenna tower, AM radio, medium wave
21. Antenna tower, AM radio, short wave
22. Antenna tower, CB radio, HF
23. Antenna tower, CB radio, UHF
24. Antenna tower, cellular, 3G
25. Antenna tower, cellular, 450 MHz
26. Antenna tower, cellular, 950 MHz
27. Antenna tower, cellular, 1800 MHz
28. Antenna tower, cellular, 2100 MHz
29. Antenna tower, cellular, GSM
30. Antenna tower, FM, VHF analogue
31. Antenna tower, FM, VHF digital
32. Antenna tower, HF broadcast
33. Antenna tower, LORAN-C, high power
34. Antenna tower, LORAN-C, low power
35. Antenna tower, LORAN-C, medium power
36. Antenna tower, NDB, approach
37. Antenna tower, NDB, en route
38. Antenna tower, NDB, localizer
39. Antenna tower, TV, UHF
40. Antenna tower, TV, UHF analogue
41. Antenna tower, TV, UHF digital
42. Antenna tower, TV, VHF-Hi
43. Antenna tower, TV, VHF-Lo
44. Antenna tower, VOR, high altitude
45. Antenna tower, VOR, low altitude
46. Antenna tower, VOR, terminal
47. Bombing target
48. Bridge, 1 lane, 30 ton
49. Bridge, 1 lane, 60 ton
50. Bridge, 2 lane, 60 ton
51. Bridge, 4 lane, 150 ton
52. Bridge, pontoon, 60 ton
53. Bridge, rail, 1 lane
54. Bridge, rail, 2 lane
55. Canal lock
56. Chimney
57. City marker
58. Container storage park
59. Dam
60. Desert fort
61. Drop zone
62. Dry dock
63. Extraction zone
64. Forward operating base
65. Generator
66. Geographic aimpoint
67. Industrial plant
68. Landing zone
69. Launch pad
70. Mast
71. Military base
72. Naval dock
73. Oil refinery
74. Oil well
75. Pier, extra large
76. Pier, large
77. Pier, medium
78. Pier, small
79. Pier, very large
80. Pipeline, overhead
81. Pipeline, surface
82. Pipeline, underground
83. Port crane
84. Power station, gas
85. Power station, geothermal
86. Power station, hydro-electric
87. Power station, nuclear
88. Power transmission line
89. Railway yard
90. RT-02 Fredriksson (Sweden 1970)
91. Single-unit port
92. Submarine pens
93. Tall crane
94. Target marker
95. Town marker
96. Training target
97. Truck depot, 40 vehicle
98. Tunnel
99. Tunnel entrance
100. Walled village
101. Water tower, 750,000 L
102. Water tower, 5,000,000 L
103. Wind turbine
104. Village marker

### Cold War models

There are 116 models in the Cold War database (v491):

1. AAA site, 37 mm (North Vietnam 1956)
2. AAA site, 57 mm (North Vietnam 1965)
3. AAA site, 85 mm (North Vietnam 1960)
4. AAA site, 100 mm with Fire Can (North Vietnam 1965)
5. Aircraft camouflaged parking spot (small)
6. Aircraft camouflaged parking spot (medium)
7. Aircraft camouflaged parking spot (large)
8. Aircraft open parking spot (small)
9. Aircraft open parking spot (medium)
10. Aircraft open parking spot (large)
11. Aircraft open parking spot (very large)
12. Aircraft tarmac space (small x 2)
13. Aircraft tarmac space (small x 4)
14. Aircraft tarmac space (medium x 2)
15. Aircraft tarmac space (medium x 4)
16. Aircraft tarmac space (large x 2)
17. Aircraft tarmac space (large x 4)
18. Aircraft tarmac space (very large x 2)
19. Aircraft tarmac space (very large x 4)
20. Aircraft wreckage
21. Ammo pad
22. Ammo shelter
23. Antenna
24. Arms cache
25. Berm
26. Bombing target
27. Bridge, 1 lane, 30 ton
28. Bridge, 1 lane, 60 ton
29. Bridge, 2 lane, 60 ton
30. Bridge, 4 lane, 150 ton
31. Bridge, pontoon, 60 ton
32. Bridge, rail, 1 lane
33. Bridge, rail, 2 lane
34. Bunker, 75 mm (Netherlands)
35. Bunker, 105 mm (UK)
36. Bunker, de Lattre Line (France)
37. Bunker, MG
38. Bunker, MG + recoilless
39. Canal lock
40. Chimney
41. City marker
42. CONEX box
43. Container storage park
44. Dam
45. Desert fort
46. Drop zone
47. Dry dock
48. Dugout
49. Dump
50. Extraction zone
51. Fence
52. Fighting bunker
53. Fire base, 105 mm (USA)
54. Fire base, 105 mm (USA)
55. Fire base, 155 mm (USMC)
56. Fire base, 155 mm (USMC)
57. Forward operating base
58. Gate
59. Generator
60. Geographic aimpoint
61. Gun pit, 76 mm
62. Gun pit, 105 mm
63. Gun pit, 155 mm
64. Industrial plant
65. Landing zone
66. Launch pad
67. Market
68. Mast
69. Military base
70. Mortar pit, 60 mm
71. Mortar pit, 81 mm
72. Mortar pit, 120 mm
73. Naval dock
74. Oil refinery
75. Oil well
76. Pier, extra large
77. Pier, large
78. Pier, medium
79. Pier, small
80. Pier, very large
81. Pill box, 7.62 mm
82. Pill box, 12.7 mm
83. Pill box, 20 mm
84. Pill box, 75 mm
85. Pill box, 81 mm mortar
86. Pipeline, overhead
87. Pipeline, surface
88. Pipeline, underground
89. Port crane
90. Power station, gas
91. Power station, geothermal
92. Power station, hydro-electric
93. Power station, nuclear
94. Power transmission line
95. Quarry
96. Railway yard
97. Rice cache
98. RT-02 Fredriksson (Sweden 1970)
99. Shelter
100. Shrine
101. Single-unit port
102. Submarine pens
103. Supply cache
104. Tall crane
105. Target marker
106. Town marker
107. Training target
108. Trench
109. Truck depot, 40 vehicle
110. Tunnel
111. Tunnel entrance
112. Walled village
113. Water tower, 750K L
114. Water tower, 5000K L
115. Wind turbine
116. Village marker