The thing I love best about Starship Troopers is Johnnie's narrative voice. I love how he tells the story.
I also love that he is a very understated hero in the whole thing. The real hero is sort of offstage most of the novel, but it is a very believable tale that way. Zim isn't telling the story, but Johnnie Rico tells the story of his involvement and Zim sort of weaves in and out of it.
Man, I love that book.
Also, from the wikipedia page...
While powered armor is
Starship Troopers' most famous legacy, its influence extends deep into contemporary warfare. Almost half a century after its publication,
Starship Troopers is on the reading lists of the
United States Army,
[31] the
United States Marine Corps,
[32][33][34] and the
United States Navy.
[35] It is the only science fiction novel on the reading list at four of the five
United States military academies. When Heinlein wrote
Starship Troopers the
United States military was a largely conscripted force, with conscripts serving two year hitches. Today the U.S. military has incorporated many ideas similar to Heinlein's concept of an all-volunteer, high-tech strike force. In addition, references to the book keep appearing in military culture. In 2002 a Marine general described the future of Marine Corps clothing and equipment as needing to emulate the Mobile Infantry.
[36]
The book is recommended reading within the
U.S. Army and
Marine Corps because of its emphasis on small-unit cohesion, the fraternity of service, and its focus on the forward-serving, elite mobile infantry units, that so closely resemble the infantry units of the United States Army, Delta Force, United States Army Rangers, the cavalry units of the United States Army, and the Marine Corps Force Recon.
How AWESOME is that book?