Steve looked around at all of them, knowing he would get an argument.

“What?” Jane demanded angrily.

“I don’t think I should go,” said Steve.

“I am surprised,” said Hunter, studying his face. “Is something wrong?”

“No, nothing’s wrong. But I’m not necessary. I started thinking about this when I woke up this morning, but I didn’t really decide until now.”

“What are you talking about?” Jane glared at him. “Decide what?”

“You don’t need me this time. Look, in the Late Cretaceous, maintaining our camp out in the wild was critical to survival. I made a real contribution. On the trip to Jamaica, well, I went because I had agreed to-you could have managed without me.”

“Not after Rita took off on her own,” said Jane.

“And last time, as I think back on the trip to Roman Germany, we spent most of our energy trying to find each other after we split up. I don’t think I added anything.”

“Not true,” said Hunter. “You helped carry our belongings and accompanied Jane, allowing us to divide the team when it seemed advisable.”

“Well, anyhow, you really don’t need me in a more recent human era like 1941.” Steve turned to Judy. “Aren’t all the necessities for human life going to be available in Moscow at that timer’

“Well, generally. But it’s in the middle of a war, where everyone has hardships-some of them severe.” She shrugged. “It’s hard to say exactly what life will be like for us on a given day.”

“I can’t help with that. Anything that’s happened because of wartime conditions is beyond my help, anyway. And Hunter can protect everyone. He can also carry the duffel bag more easily than I can.”

Jane looked at Hunter helplessly.

“It is true that your duties have changed with each mission,” said Hunter. “However, your help has sometimes occurred in situations that were not predictable beforehand. You understand the challenges and the constraints under which the team works. I believe we still need your participation.”

Steve shook his head. “I doubt it. You can keep Jane and Judy with you and concentrate on MC 4 and Wayne. I’d like to take my pay for the earlier trips and go on home.”

“How can you just walk away like this?” Jane shouted. “We’ve all been working together. And you didn’t say anything at breakfast this morning to me. Why didn’t you tell me?”

“I was still thinking about it,” said Steve, surprised at her vehemence.

“You’re betraying all of us.” She turned her back angrily and folded her arms.

“You hired me, remember? I didn’t take any special oath of loyalty. It’s a job. And you don’t need me to do it.” Steve turned to Hunter. “You remember when you came up to my place on the mountain?”

“Of course,” said Hunter.

“You needed someone familiar with the outdoors to make and maintain camp for your team in the age of dinosaurs. That was your basis for hiring me.”

“Yes, that is correct.”

“You don’t need that in Moscow in 1941. And you didn’t really need it in Jamaica.”

“We needed you in Port Royal!” Jane whirled around again, making her long coat swirl. “Don’t you remember what we did together-sneaking up on pirate ships and getting into those sword fights? And jumping off to row ashore? What if I’d been alone, Steve?”

“You wouldn’t have been in that situation without me to start with,” said Steve. “I’m glad I helped. But you know every mission is different.”

“Your skills could have been necessary in Germany of A.D. 9, as well,” said Hunter. “The wilderness had many dangers. You did accompany Jane at important times. We did not utilize most of your skills, I admit, but we might have needed them.”

“All right, granted,” said Steve. “But not in Moscow. Not in the time you’re going to visit now.”

“You’ve been part of this team!” Jane insisted angrily. “Your companionship and experience are part of this team, too. How can you do this?”

Steve just shook his head. “I don’t like the idea of being tied down. Hunter, send someone up to my shack with my pay. Judy, nice to meet you. Good luck, Hunter. Bye, Jane.” He turned toward the door.

“Where are you going now?” Hunter asked.

“Back home, of course.”

“How will you get there?”

“That’s my worry.” Steve slipped out the door of the room. The door closed behind him and his footsteps sounded quickly down the hall.

Hunter watched Steve go, reviewing his past behavior quickly. Nothing Steve had said or done recently had revealed any desire to quit the team. He was as startled as Jane.

“What are we going to do?” Jane asked quietly.

“How important is he?” Judy asked. “As the newcomer, I don’t really know what’s going on.”

“He is essentially correct,” said Hunter. “The tasks for which I originally hired him are no longer necessary. We shall go.” He hoisted the duffel bag and passed out some of the Soviet currency to Jane and Judy. “First I shall tend the console and then I shall help you both into the sphere.”

Jane and Judy looked at each other in surprise. Hunter was aware that as humans, their emotions did not shift instantly. However, he saw no reason to delay their departure further.

In a moment, Hunter had set the timer in the console. After Jane and Judy were safely inside the big sphere with the duffel bag, he climbed inside and shut the door. As always, the interior was dark and crowded. Then the sphere vanished.

All three of them tumbled onto cold, hard ground in near darkness. The barest hint of sunset was still visible in the west. The sky was clear and the moon threw a gentle light. Their breath frosted in the icy air.

Hunter turned up his hearing and infrared vision to scan the immediate area for danger. They were in open, barren land a short distance from the edge of Moscow. No one was near them. “We are safe for the moment.”

“Where are we?” Judy got to her feet, brushing off her coat. “My ears are cold already.” She untied her scarf from her neck and moved it over her head, knotting it under her chin.

Jane imitated her.

“We are on the outskirts of Moscow,” said Hunter. “I brought us here to avoid appearing right in front of the local people.” He pointed. “The city is blacked out because of the war, but if you look that way, you can see some light leaking out of the shades of windows here and there.”

“I see them,” said Judy.

“Are you warm enough?” Hunter asked.

“Yeah. And walking will help,” said Judy.

“I’m okay,” said Jane. “But I wish Steve had come.”

“The walk will not be as long as it looks,” said Hunter. He shouldered the duffel bag and they started.

“Hunter, have you discussed the chaos theory of history with Judy?”

“Not yet,” said Hunter.

“I’m familiar with it,” said Judy, in a derisive tone. “But I just don’t buy it. Not every little, tiny event is going to change the sweep of major historical trends.”

“In our experience, that has proved to be true of the most insignificant events,” said Hunter.

“I don’t want to hear about any rigid rules,” said Judy. “Now, obviously, we won’t assassinate Stalin or Hitler; we probably couldn’t do it if we tried. Anything less than that is not likely to change the course of World War II from where we stand.”

“You sound like Steve on this subject,” said Jane. “Except that you know your history.”

“Only large-scale changes can alter the flow of history,” said Judy. “I see nothing wrong with an aggressive involvement with events while we’re here.”

“I admit that the most extreme chaos theory of history has not been supported by our actions,” said Hunter. “In our first three missions into the past, we clearly caused certain changes by our very presence and behavior, even though the changes were all very minor. No identifiable changes occurred in our own time.”

“Exactly my point,” said Judy.

“Our remaining problem is this,” Hunter added. “None of us knows exactly when the threshold of change will be crossed. At some point, the sheer weight of the small changes may precipitate a major one. So we must remain very concerned about this principle.”

“I just don’t see how the three of us alone can bring about that much change,” said Judy. “The threshold is pretty high, if you ask me.”

“I shall point out an example pertaining to Egypt,” said Hunter. “During the Napoleonic Wars, a battle was fought in Egypt between the British and French. The French defeat was significant but not ultimately decisive. However, a French soldier digging a trench unearthed the Rosetta stone, which led to the later translation of ancient Egyptian hieroglyphics. That translation in turn gave archaeologists the ability to read important writings, illuminating many centuries of history.”

“Yeah, I know about that,” said Judy.

“I didn’t,” said Jane. “What you’re saying is that the chaotic result of the French campaign was extremely important in ways that had nothing to do with the war.”

“Yes,” said Hunter.

“We might argue that the Rosetta stone, or something similar, would have been found within a few decades anyway,” said Judy. “Or that making these translations of hieroglyphics did not, after all, make a real difference in the development of society and industry in our own time at all.”

“Isn’t that an odd argument for a historian?” Jane asked. “To suggest that learning about history isn’t important?”

“Wait a minute.” Judy laughed. “I’m just saying that importance is relative.”

“I submit the following,” said Hunter. “Many young people who will enter positions of importance in the Cold War that follows World War II were present in the Battle of Moscow. Altering which of them live or die could change the course of the Cold War, theoretically bringing about the global nuclear war that was in fact just barely avoided during the second half of the twentieth century.”

“Well, I can see that argument. But maybe the individuals wouldn’t matter that much. Maybe the situation dictated decisions, not the individuals. Sometimes that happens.”

“Our immediate concern is MC 4,” said Jane.

“Yes,” said Hunter. “I believe that when MC 4 returns to full size, the First Law will drive him to interfere with the war if he can.”

Jane nodded. “With MC 4’s background in ethics and morality, his interpretation of the First Law will probably have him focus on individuals who make decisions.”