The Colonel and Consul, who'd stayed outside to deal with the explosives, were envious of the people who got to go into the pyramid first. However, they knew that the work outside needed someone to take care of it. They could only seek to work faster and finish so as to join up with everyone as soon as possible. Or perhaps they could wait for someone to come out and take over, as they had to juggle guarding the vehicles and equipment as well.
But was there a need to guard the vehicle?
There were no large beasts nearby. The wild cats that they encountered on the road may be the biggest beasts they'd met. What could they do to the vehicles? They probably could, at most, urinate on the tires.
