This pilot study will assess the feasibility of using the Physical Activity Behavior Change(PABC) intervention for Veterans with dysvascular lower limb amputation. In addition, preliminary efficacy of the PABC intervention will be assessed using a two-group randomized cross-over design. Testing will occur at baseline (pre-intervention), three months (end of intervention), and six months. The primary aim is to determine feasibility of using the PABC intervention with Veterans who have dysvascular amputation by measuring: