The B-1 is a strategic bomber that was not originally designed to provide direct air support to ground forces, which was the mission in this instance.

VOA: standard.2009.06.08

For instance, limited ground operations by U.S. forces, if required, will need some larger units, larger than Special Operations provides.

CNN: General David Grange: Military strategy in Afghanistan

They expressly did not want the introduction, for instance, of foreign ground forces or a more robust military mandate.

WHITEHOUSE: Press Briefing

Knowing how far it has traveled is important for measuring any wheel slippage that may have occurred, for instance due to high slopes or sandy ground.

FORBES: Curiosity Leaves Its Mark