Mack kept his face impassive, but he didn’t like that. He would have preferred to have the information added to Cheyenne’s onboard tape library prior to her getting under way, but there simply wasn’t time for that.
Once they reached that point in the operation, the Philippine Island of Palawan would again be used for its TERCOM and DSMAC data, but Cheyenne would have to establish the initial waypoints for the missile flights to Palawan, which would vary depending on her location at the time. That shouldn’t be a problem, however. It was part of the capabilities of the CCS Mk 2 console, a self-contained, onboard mission-planning center.
So far, with the exception of the intel about the Chinese commander-in-chief, the briefing had gone pretty much as Mack had expected, but the briefing officer’s next comments caught him off guard. According to the briefing officer, by the time Cheyenne completed Patrol 3 and returned for reload, the floating drydock Arco would be available as needed.
Mack didn’t like hearing that. He didn’t like entertaining the notion that Cheyenne would suffer sufficient damage to require a floating drydock for repairs. But this was war, he knew, and with the Chinese navy focused on hunting Cheyenne, he just might be all too glad of Arco’s presence.
He was still thinking about that when the executive officer slipped the captain a note with the letters ASDS on it.
Mack nodded, liking the news of Arco even less. He looked over at the briefing officer and asked, “Are there any intentions for Arco to bring the advanced SEAL delivery system, ASDS, out here?”
The CTF 74 admiral answered the question before the briefing officer could speak: “That option has been discussed, Captain. The concern is that although Cheyenne completed the ship alterations for the ASDS and the interface pylon fit checks in San Diego prior to your deployment, the vehicle and your ship have not seen each other.”
Mack nodded. “So the chances are slim for Cheyenne to demonstrate this newest war-fighting capability?” he asked.
“I would say yes,” the admiral replied. “For the time being.”
“That’s a relief, Admiral,” Mack said. “As you know, operations with that vehicle seem to be extremely intricate — especially the landing on my back. We would need some serious training before any prudent submariner would take that on for the first time in the uncontrolled nature of war.”
“I agree, Captain,” the admiral said. “And that concern is precisely what I passed to COMSUBPAC.” He paused briefly before adding, “If the SEALs get involved in this war, and their movements are very tightly secreted by SOCOM (Special Operations Command), we’ll probably find out about it after it has happened — unless the intention is to use Cheyenne.”
Mack was relieved to hear that. Partially, anyway. Losing control of Cheyenne was not part of his destiny — not if he had anything to say about it.
The briefing ended soon after, and when they were back on Cheyenne Mack expressed his concern about the floating drydock to the executive officer. The executive officer agreed. He pointed out that it was the only way for Cheyenne to get dry for removal of fixed ballast — which would be necessary if the heavy ASDS vehicle were to be installed in its planned location. Installing it over the aft escape trunk, which led to the engine room, would put more weight aft than the variable ballast tanks could compensate for.
“Attention on deck and on McKee,” the OOD announced over the bullhorn from the bridge. “Single all lines.” This order was repeated by the bridge phone talker over the sound-powered phones to the phone talkers on deck, one forward and one aft of the sail.
Within minutes, the bow, stern, and spring lines were singled. When the ordered actions had been completed and the reports had been relayed to the OOD by his phone talker, he ordered, “Cast off the spring lines, lines three and four.”
In peacetime, and under other circumstances, Cheyenne would use her own lines. But this was war. During their very first reload alongside McKee, Mack had ordered that Cheyenne’s line lockers be welded shut. This would prevent any possible noise sources from captive bolts loosening, especially since the chances of encountering torpedo and even depth charge explosions were increasing.
As with the last two war patrols, all lines would be left with McKee, where they would be dried and stored with care until Cheyenne once again returned from her patrol.
“Check the stern line. Keep the slack out of the bow line,” ordered the OOD. He was concerned about maintaining positive control of Cheyenne’s position until the stern was safely clear of the after anchor lines, especially those on McKee’s starboard side. He would not back the main engines until she was clear.
In preparation for this next evolution, the OOD had already extended the secondary propulsion motor (SPM), tested it locally in the engineering spaces and from the ship-control console, and trained it to 090 degrees (relative).
“Helm, conn, start the SPM.” That order came from conn on the sound-powered phones.
When the SPM started, Cheyenne’s stern swung slowly to starboard. Pivoting around the camel between the two ships, the bow moved slowly toward McKee. With the momentum of the 6,900-ton submarine now swinging the stern nicely, the OOD ordered the SPM stopped, trained to 000 degrees, and housed. As the ship continued to swing slowly, the OOD backed the main engines at one-third speed long enough to gain sternway, and just enough to keep the sonar dome from coming too close to McKee’s hull.
At his command, the two remaining lines were cast off, snaking through the water as the McKee line handlers pulled them on board. With the stern line clear of the stern planes, Cheyenne backed safely away from the submarine tender and her after anchors.
Patrol 3 had commenced.
Cheyenne’s first patrol area was centered on a line drawn directly between the Spratly Islands and Cam Ranh Bay. Intel suspected that this was the route that Chinese supply ships were using in keeping the Spratly Islands’ forces supplied and making the new airfield construction possible. Cheyenne was not authorized to attack these supply ships, just to collect intelligence on them. Washington could then use this information against the Vietnamese government for their collaboration with China.
Just to the north of the patrol area, the bottom sloped steadily downward from 1,000 fathoms to over 2,200 fathoms. Mack welcomed this deep water, which would help Cheyenne and her Mk 48s. This would allow them to approach a target from deep below the layer without fear of detection by the shallower-running Alfa, which Mack suspected was lurking to the west of Cuarteron Reef.
Although the Alfa’s titanium hull would actually allow it to dive deeper than Cheyenne, Mack didn’t expect it to do so. The Russians did not typically run deep, and he expected the Chinese, who were learning their Alfa handling techniques from the Russians that built her, to follow the same practices.