<P> Joan's decision to deploy even though a job on post was available causes much tension with Roland, but eventually he comes to accept her career choice . She deploys late in Season 3 . </P> <P> In the Season 3 finale, she suffers an eye injury after her convoy comes under attack and she is struck by shrapnel when an RPG hits nearby . She recovers well after surgery in Germany and plans to return to her unit . However, General Holden calls to say he has nominated her for a prestigious temporary assignment with a task force rebuilding schools in Iraq . It's not a battlefield command, but it's an important high - profile assignment and will be good for her career . On arrival she finds the project behind schedule and over budget and employs diplomacy and organizational skills to work with the local contractor and get things back on track . There are some complications, but eventually she hires a new contractor and completes the project successfully . When her division is recalled, she returns to Fort Marshall to await her next combat deployment . </P> <P> Upon her return to Fort Marshall in Season 4, Roland notice small lapses in function, like putting her clothes in the wrong closet and loss of balance . Eventually she is diagnosed with Traumatic Brain Injury likely from the prior RPG attack . She was placed on convalescent leave and did not redeploy with the division . </P> <P> In the Season 5 premiere she was notified of her promotion to the rank of colonel and also received the additional duty of garrison commander . </P>

What's wrong with joan on army wives