Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Community | Airport name | Type | Coordinates |
| --- | --- | --- | --- |
| Antil Plains | Antil Plains Aerodrome | Military | 19°26′36″S 146°49′29″E﻿ / ﻿19.44333°S 146.82472°E |
| Eagle Farm, Brisbane | Eagle Farm Airport | Military/Public | 27°25′30″S 153°05′03″E﻿ / ﻿27.42500°S 153.08417°E |
| Charters Towers | Breddan Aerodrome | Military | 19°56′34″S 146°14′21″E﻿ / ﻿19.94278°S 146.23917°E |
| Petrie, Brisbane | Petrie Airfield | Military | 27°17′S 153°00′E﻿ / ﻿27.283°S 153.000°E |
| Tarampa | Tarampa Airfield | Military | 27°27′19″S 152°28′56″E﻿ / ﻿27.45528°S 152.48222°E |
| Townsville | Aitkenvale Aerodrome | Military | 19°18′45″S 146°44′23″E﻿ / ﻿19.31250°S 146.73972°E |
| Townsville | Bohle River Aerodrome | Military | 19°16′58″S 146°41′57″E﻿ / ﻿19.28278°S 146.69917°E |
| Townsville | Reid River Airfield | Military | 19°45′45″S 146°50′40″E﻿ / ﻿19.76250°S 146.84444°E |
Question:
what does each airport have in common?
Answer:
Military