Haha, I guess I did not find the movement instinctive, because I thought you could not move, I was just doing mouse clicks though, so let me go try again. I didn't make a game, just a little demo, in this demo you do not control trucks/convoy, you must protect it from the drone overwatch. I tried to post a gif it above, but it did not work, so here it is again:
Gorkhs [edit] Tried the controls - not my cup of tea, I think you are trying to match the isometric view, but good old WASD would be more comfortable for me.