Authors: Westerns: Who wrote the "Sackett" series of books?

Questions

In 1968 John Lennon and Yoko Ono appear nude on cover of "Two ---------- " album. ?

In 1972 US Army turned over Long Bihn base to South ---------- army. ?

In 1975 Portugal grants ---------- independence (Natl Day). ?

In 1980 The crew of ---------- 35 returns to Earth aboard Soyuz 37. ?

In 1982 5th Space Shuttle Mission - ---------- 5 is launched (first commercial flight). ?