Unbecoming an Officer - S3-E10
Continuity mistake: Jason is in bed with his girlfriend lying on opposite ends of the bed. The girlfriend's feet are exposed. When the camera pans up to her face and back down, she only has one foot exposed. (00:02:00)
Answer: Yes. They would have to land 3-4 times for refuelling. The plane could fly with the wheels down, but the additional drag slows the plane and increases fuel consumption.