The climax of this film left something to be desired.

Rating: 7/10 (22 February 2014)

I liked the climax of the film, but I also didn't like it. The characters and their actions begin to come together in the last 1/2 hour - providing the beginning point of things which come together in Star Trek II: The Wrath of Khan. The intentions of the writers and directors were good, I'm sure. However, the plot, IMO, had to be forced in order to bring about the climax - which left me somewhat disappointed.
There are a couple of things which were left out of this film which I would like to have seen. First, who brought Khan and his fellow "supermen" to the planet Ceti Alpha V? The Enterprise? Not likely given that the re-christened Enterprise is setting off on its 5 year mission.
The second missing item is in regards to the Federation-Klingon war. Wouldn't it have already occurred given that the Neutral Zone has been in place for many years? It's not entirely clear - would this breach of the Neutral Zone (by the Enterprise) actually provoke the beginning of a second war? It's left up to the viewer's imagination - or maybe I missed this when watching ST:TOS or ST:TNG. In any case, this is something which could have relatively easy to weave into this film's plot.
It's for the above reasons that I gave this movie a rating of only 7 out of 10.