Analysis of information sources in references of the Wikipedia article "Mars Cube One" in English language version.
'The major aspect to MarCO is that it is truly a technology demonstration and high-risk endeavor, very much in the spirit of NASA,' [MarCO chief engineer Andy] Klesh says. 'We see MarCO as only the first in a long line of small satellite explorers . . . .'
Rapidly approaching Mars are the two smallest and cheapest spacecraft to ever cross between the planets, in the vanguard of what U.S. and European satellite designers hope one day will be swarms of tiny probes prowling the solar system.