In the beginning of the game, when the African Soldier stops Chris and Sheva to check for there papers, he has his AK out, the next seen, it is on his back, the problem is that in between was only about a second.
When Chris and Sheva need to break down the door only to find DeChant and Alpha Team dead, it shows both Chris and Sheva breaking the door down, but in the cut scene only Chris is breaking down the door with Sheva right behind him.
The RPG-7 is technically NOT a rocket launcher because a rocket launcher fires a rocket designed for that launcher, the RPG series are grenades, modified to be fired. However it is plausible to say that Capcom called it that because that is what most people call it.
Chris and Sheva were never given the orders to retreat, what actually happen is that they decided to flee but changed there mind once Chris decided to locate Jill. Yet, all the characters act as if they got those orders to do it. This means that either Capcom overlooked this mistake or cut out a section of the game that explains this.