When Colonel James Rhodes (A.K.A. "Rhodey") stole the Mk.2 Iron Man suit and brought it to the military base, and he was shown without the suit on when Major General Meade came to inspect the suit. In Iron Man 1, it was shown that the suit needed a lot of bulky machines to get it off, and that it was quite hard to take it off even with those machines.
In Iron Man 2 (and the Avengers), it looked the machines were improved so that the suit was easy to take off, but you still needed those machines to take it off. In Iron Man 3, Tony Stark improved his suits to be able to open up so that the wearer could easily get in, but the suit that Rhodey stole was only a Mk.2 model and did not have that feature when they were in the military base.
So how exactly did Rhodey get the suit off when inside the military base before they upgraded the suit?