[Pan_Yan]

The US has a significant counterterror mission underway in Yemen and this is being done with no military boots on the ground.

Close to zero, but there are some.

US terror training in Yemen reflects wider program

WASHINGTON — Seldom visible in the Yemeni mountains, the elite U.S. commandos training the Yemen's military represent the Obama administration's quest to fight terrorism without inflaming anti-American sentiment.

[Ben Ficklin]

They are not involved in counterterror. They are training Yemen troops in COIN techniques.

There is no DoD "clear-hold-build" money being spent in Yemen.