From the website description
This is Cepheus Journal Issue #003 the third issue of Cepheus Journal. The theme for this issue is the Closest Stars. There is an article about Alpha Centauri and another one about Tau Ceti. There is also an article about Vega Subsector about a number of nearby worlds, based on the Near Stars map from Stellagama Publishing.
There are also some rules for Sword of Cepheus, rules for Factions, a Vietnamese Rifle Platoon for Modern War, a review of These Stars are Ours! and a Provincial Cruiser that you can find in the Vega Subsector.
Finally there are three very different alien races.