In October 1641 he was given a troop in his father's regiment in Ireland, of which his brother, known as Lord Lisle, was in command.
He commanded a troop of horse in Scotland in 1639; was involved in army plots in 1641, for which he was committed to the Tower, but escaped abroad; and on the outbreak of the Civil War returned to England and served with Prince Rupert, being present at Marston Moor, the second battle of Newbury and Naseby.
The leader of a third troop took a humbler tone, sued for mercy, and obtained it.
David owed his success to his troop of freebooters (i Sam.
He took part in the Madero revolution when Pascual Orozco threatened invasion of his state, driving the rebels out with a troop of 400 Yaquis.
When he went on his last disastrous campaign, Hyrcanus led a Jewish contingent to join his army, partly perhaps a troop of mercenaries (for Hyrcanus was the first of the Jewish kings to hire mercenaries, with the treasure found in David's tomb).
Emboldened by success, a large band of rioters marched into the town of Carmarthen on the 10th of June and attacked the workhouse, but on this occasion they were dispersed by a troop of cavalry which had hurried from Cardiff.
Their case was becoming desperate when a troop of Federal cavalry arrived, raised the siege, and took the cattlemen back to Cheyenne as prisoners.
The troops then marched upon the capital, but the troop of the emperor Isaac Angelus overthrew the invaders on the banks of the Strymon (7th Sept.
The Prussian headquarters, however, spent the 12th and 13th in idle discussion, whilst the troop commanders exerted themselves to obtain some alleviation for the suffering of their starving men.