![ground force one](https://static-ssl.businessinsider.com/image/56a26b40c08a806f008bbb3a-4536-2938/ap_609985779412.jpg)
AP
US President Barack Obama arrives at the Iowa State Fair, August 13, 2012, in Des Moines, during a three-day campaign bus tour of the state.
The president has no shortage of transit options, from $4 and $4 to $4. Now meet Ground Force One, the president's armored bus and the most recent edition to the presidential fleet.
We've compiled some of Ground Force One's most impressive features: