I took a close look at the map in the nuclear winter world. It appears to be Africa and Australia. This is probably inaccurate, but the blinking cities appear to be Adelaide and Cairns in Australia, Walvis Bay, Mogadishu, and Rabat in Africa. After a quick Wikipedia search, I found this-
“Adelaide is home to a large proportion of Australia’s defence industries, which contribute over $1 billion to South Australia’s Gross State Product. Seventy-two percent of Australian defence companies are located in Adelaide. The principal government military research institution, the Defence Science and Technology Organisation, and other defence technology organisations such as BAE Systems Australia and Lockheed Martin Australia, are located north of Salisbury and west of Elizabeth in an area now called “Edinburgh Parks”, adjacent to RAAF Base Edinburgh.
Others, such as Saab Systems and Raytheon, are located in or near Technology Park. The Australian Submarine Corporation, based in the industrial suburb of Osborne, was charged with constructing Australia’s Collins class submarines and more recently the $6 billion contract to construct the Royal Australian Navy’s new air-warfare destroyers."
There are some mentions of nuclear subs on the page for Collins class submarines.
“The Royal Australian Navy has a base in Cairns (HMAS Cairns). The base has a complement of 900 personnel, and supports fourteen warships, including the four Armidale class patrol boats of Ardent Division, four of the six Balikpapan class landing craft, and all six ships of the Royal Australian Navy Hydrographic Service.”
“Following World War II, the United States established a military presence in Rabat at the former French air base. By the early 1950s, Rabat Salé Air Base was a U.S. Air Force installation hosting the 17th Air Force and the 5th Air Division, which oversaw forward basing for Strategic Air Command (SAC) B-47 Stratojet aircraft in the country. With the destabilization of French government in Morocco, and Moroccan independence in 1956, the government of Mohammed V wanted the U.S. Air Force to pull out of the SAC bases in Morocco, insisting on such action after American intervention in Lebanon in 1958. The United States agreed to leave as of December 1959, and was fully out of Morocco by 1963. SAC felt the Moroccan bases were much less critical with the long range capability of the B-52 Stratofortresses that were replacing the B-47s and with the completion of the USAF installations in Spain in 1959.”
Nothing much about Walvis Bay other than being a large natural port.
“Mogadishu was the scene of bitter warfare and devastation caused by fighting between Ethiopian and Somali government troops, and Islamist guerrillas. Fighting escalated in March–April 2007, November 2007 and April 2008 with hundreds of civilian casualties.”
Please not that these are very select facts and could be completely coincidental. But it’s still interesting how all seem to be possible key locations in a nuclear war, with Mogadishu being a possible war-starter.