Flight Officer Roundbush shook his head. He was as big and blond and blocky as Hipple was spare and dark. He said, “It’d be a lot more splendid if we could make the bloody thing fit in the space we have for it.”

“Which is, at the moment, essentially nil,” Ripple said with a rueful nod. “The jet fighter you may have seen taking off a few moments ago, that little Gloster Pioneer, is not what one would call lavishly equipped with room. It was, in fact, in the air more than a year before the Lizards came.” Bitterness creased his face. “As I had produced a working jet engine as far back as 1937, I find the delay unfortunate, but no help for it now. When the Lizards descended, the Pioneer, though intended only as an experimental aircraft, was rushed into production to give us as much of an equalizer as was possible.”

“Might as well be tanks,” Roundbush murmured. Both the German invasion of France and the fighting in the North African desert had shown severe deficiencies in British armor, but the same old obsolescent models kept getting made because they did work, after a fashion, and England had no time to tool up to build anything better.

Group Captain Hipple shook his head. “It’s not as bad as that, Basil. We have managed to get the Meteor off the ground, after all.” He turned back to Goldfarb. “The Meteor is more a proper fighter than the Pioneer. The latter carries a single jet engine placed in back of the cockpit, whereas the former has two, of an improved design, mounted on the wings. The improvement in performance is considerable.”

“We also have a considerable production program laid on for the Meteor,” Flight Lieutenant Kennan said. “With luck, we should be able to put large numbers of jet fighters into the air by this time next year.”

“Yes, that’s so, Maurice,” Hipple agreed. “Of all the great powers, we and the Japanese have proved most fortunate, in that the Lizards did not invade either island nation. From the depths of space, I suppose we seemed too small to be worth troubling over. We’ve endured a worse blitz than the Jerries gave us, but life does go on despite a blitz. You should know that, eh, Goldfarb?”

“Yes, sir,” Goldfarb said. “It got a bit lively at Dover now and again, but we came through.” Though only a first-generation Englishman, he had a knack for understatement.

“Exactly.” Hipple’s nod was vehement, as If Goldfarb had said something important. The group captain went on, “As Flight Lieutenant Kennan and I have noted, our industrial capacity is still respectable, and we shall be able to get considerable numbers of Meteors airborne within a relatively short period. What point to it, however, if,once airborne, they are shot down again in short order?”

“Which is where you come in, Goldfarb,” Wing Commander Peary said. He was a slim fellow of medium height with sandy hair starting to go gray; his startling bass voice seemed better suited to a man of twice his bulk.

“Exactly,” Hipple said again. “Julian-the wing commander-means we need a chap with practical experience in airborne radar to help us plan its installation in Meteors as quickly as possible. Our pilots must be able to detect the enemy’s presence at a distance comparable to that at which he can ‘see’ us. D’you follow?”

“I believe so, sir,” Goldfarb said. “From what you say, I gather you intend the Meteor to have a two-man cockpit, pilot and radar observer. With the sets we have, sir, a pilot would be hard-pressed to tend to them and fly the aircraft at the same time.”

The four RAF officers exchanged glances. Goldfarb wondered if he’d just stuck his foot in it. That would be lovely, a lowly radarman affronting all his superiors within five minutes of arriving at a new posting.

Then Julian Peary rumbled, “This is a point which was much debated during the design of the aircraft. You may be interested to know that the view you just expressed is the one which prevailed.”

“I’m-pleased to hear that, sir,” Goldfarb said, with such transparent relief that Basil Roundbush, who seemed not overburdened with military formality, broke into a large, toothy grin.

Group Captain Hipple said, “Having established your level of expertise with such dispatch, Radarman, you give me hope you will also be able to assist us in reducing the size of the radar set to be carried. The fuselage of the Meteor is rather less spacious than the bomb bay of the Lancaster where you were previously ensconced. Perhaps you’ll have a look at these drawings with us so you can get a notion of the volume involved-”

Goldfarb stepped up to the table. With no more fanfare than that, he found himself a part of the team. He said, “I don’t know the solution to one problem we faced in the Lanc.”

“Which is?” Ripple asked.

“Of course, the Lizards’ guided rockets can knock down a plane at longer range than any guns that we have can hit back. One of those rockets definitely seems to home in on our radar transmissions-probably the same sort the Lizards used to knock out our ground stations. Turning off the set made that particular rocket go wild, but it also left us blind-something I shouldn’t fancy if I were in the midst of a dogfight.”

“Indeed not.” Ripple nodded vigorously. “Even under ideal circumstances, the Meteor does not pull us level with the Lizards; it merely reduces our disadvantage. We remain deficient in speed and, as you say, in armament as well. To have to engage enemy aircraft without being able to detect them past the range of the pilot’s eye would be a dreadful handicap. I do not pretend to be an expert in radar; as I said, engines are my speciality.” He turned to the other officers. “Suggestions, gentlemen?”

Basil Roundbush said, “Can your airborne radar set emit more than one frequency, Goldfarb? If so, perhaps switching between one and the next might, ah, confuse the rocket and cause it to miss without losing radar capacity.”

“That might work, sir, I honestly don’t know,” Goldfarb said. “We weren’t any too keen on experimenting, not up above Angels Twenty, if you know what I mean.”

“No quarrel there,” Roundbush assured him. “We’d have to try it on the ground first: if a transmitter there survived by shifting frequencies, the result might be worth testing in aircraft as well.”

He paused to scribble some notes. Goldfarb was delighted research and development had not stopped because of wartime emergencies, and even more delighted to be a part of the effort at Bruntingthorpe. But he’d already promised himself that, when the radar-equipped Meteors flew, he’d be in the rear seat of one of them. Having become part of an aircrew, he knew he’d never again be content to stay on the ground.

Moishe Russie was tired of staying underground. The irony of his position hit him in the teeth like a rifle butt in the hands of an SS man. When the Lizards came to Earth, he’d thought they were the literal answer to his prayers; absent their arrival, the Nazis would have massacred the Jews in the Warsaw ghetto, and in the others they’d set up throughout Poland.

The Jews had been looking for a miracle then. When Moishe declared that he’d had one, he gained enormous prestige in the ghetto; before, he’d been just another medical student slowly starving to death along with everyone else. He’d urged the Jews to rise, to help throw the Germans out and let the Lizards in.

And so he’d become one of the Lizards’ favorite humans. He’d broadcast propaganda for them, telling-truthfully-of the horrors and atrocities the Nazis had committed in Poland. The Lizards came to think he would say anything for them. They’d wanted him to praise their destruction of Washington, D.C., and say it was as just as the devastation that had fallen on Berlin.

He’d refused… and so he found himself here, hiding in a ghetto bunker that had been built with the Nazis, not the Lizards, in mind.

His wife Rivka picked that moment to ask, “How long have we been down here?”