boots on the ground
n.pl.— «Many American strategists now argue that even light, token US land forces—”getting US combat boots on the ground,” as General Warner puts it—would signal to an enemy that the US is physically guarding the area and can only be dislodged at the risk of war.» —“US rapid strike force: How to get there first with the most” by John K. Coole Christian Science Monitor (Boston, Mass.) Apr. 11, 1980. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...