And as for “It’s really a virus, not a lunar lander”: I have used pictures of the Apollo Project LEM juxtaposed with a T-even phage for many years now, as an illustration of how form follows function. Namely, protecting nucleic acid and delivering it to another environment. I doubt the engineers had any idea they were recreating a phage, though!
http://www.mcb.uct.ac.za/tutorial/virions_are_virus_particles.htm

“Some bacteria are only harmful to us when they make exotoxins, and they only do this when they are, in a sense, diseased themselves. The toxins of diphtheria bacilli and streptococci are produced when the organisms have been infected by a bacteriophage; it is the virus that provides the code for toxin. Uninfected bacteria are uninformed. When we catch diphtheria it is a virus infection, but not of us. Our involvement is not that of an adversary in a straightforward game, but more like blundering into someone else’s accident. I can think of a few microorganisms, possibly the tubercle bacillus, the syphilis spirochete, the malarial parasite, and a few others, that have a selective advantage in their ability to infect human beings, but there is nothing to be gained, in an evolutionary sense, by the capacity to cause illness or death. Pathogenicity may be something of a disadvantage for most microbes, carrying lethal risks more frightening to them than to us. The man who catches a meningococcus is in considerably less danger for his life, even without chemotherapy, than meningococci with the bad luck to catch a man. Most meningococci have the sense to stay out on the surface, in the rhinopharynx. During epidemics this is where they are to be found in the majority of the host population, and it generally goes well. It is only in the unaccountable minority, the “cases,” that the line is crossed, and then there is the devil to pay on both sides, but most of all for the meningococci.”