Captain Thompson climbed down out of the driver's compartment.
"The motor's gone. How are the guns?"
"Out of action," Rick answered. "Must be filled with dirt. We can't do any good here."
"O.K.," Captain Thompson said. "Let's get moving. I'm needed out there!"
Rick undid the wing nuts on the manhole and pushed. Metal squeaked, but the door stayed in place.
"Jammed!" Rick said. "Get me a crow bar out of the box."
Johnny dived for the tool box and came up with a pry bar. He handed it to Rick.