"Injured, we've got one military and two civilians," said Tyndall Fire Chief Charles Cain.

Don't worry. Those injuries are make believe. They're part of a joint exercise that took place between Tyndall Air Force Base and Mexico Beach and Gulf County authorities.

The simulated F-15 plane crash allowed first responders to work together at the scene.

"It's a great training exercise. It shows us what we have available and what we can do and we can learn from this and see what we need to put in place," said Mexico Beach Police Captain Glenn Norris.

Every year the different agencies stage these mock disasters, and so does Tyndall, but this is the first time they've joined together. To make the experience more realistic, the disaster was set off base in Mexico Beach.

"When an accident happens we're interested because it's an Air Force Base asset. The local authorities are interested because the incident happened on their land and they're responsible for the first response. They'll coordinate with us and then we will send out whatever help we can at that point," said Lt. Col. Joseph Granducci.

The exercise helps expose potential weaknesses authorities will face during a real-life emergency. For some of the smaller forces like Mexico Beach police, one of those challenges is manpower.

"One of the other issues we've come across is communications compatibility to speak to each other. We've pretty much overcame that. We've seen that work, worked out very well today," said Mexico Beach Director of Public Safety Brad Hall.

About 60 people participated in today's exercise, but hundreds more were supporting behind the scene. The exercise took approximately three and a half hours.