When acting as General Talbot, Agent Coulson refers to the Marine at the gate as "Soldier". As only members of the Army are referred to as Soldiers, this serviceman should have been called "Marine".
When the car driven by Idaho hits Carl Creel and overturns, Creel and the car had started at the same location, but he was waiting for them, despite being on foot and not knowing which direction they had headed, and the car had been driven for several minutes.