However, it is unlikely that two jack-up units have an identical design because the structures of most units are often custom-made and the deployments of units are subject to availability.
But the general noted that the corps command is now a 400-person, 21-nation unit, overseeing rapid deployment of NATO units if necessary, and reflected that since the 2014 summit meeting in Wales, "an unbelievable amount has happened".
"The first phase of the operation was represented by the deployment of military units," General Moussawi said.
"More than 35 countries are giving crucial support from the use of naval and air bases to help with intelligence and logistics to deployment of combat units.
In recent weeks this relationship has blossomed into the large-scale American deployment of Special Forces units and aircraft on what was once enemy soil.
The unexpected deployment of First Brigade units will fill a gap that arose after commanders decided that an Army National Guard brigade from Washington State needed more training, officials said.
Brigadier Ed Davis, commander of Task Force Helmand, told the Independent that the continuing threat posed by the Taliban called for longer deployment of certain units, in particular those involved in "mentoring" Afghan forces.
All went well, the official told me, until Rumsfeld, during a question-and-answer session, was asked about his personal involvement in the deployment of combat units, in some cases with only five or six days' notice.
(The US constitution allows for the deployment of National Guard units by governors, who are answerable to the people; but this system is intended, as is posse comitatus, to prevent the military from taking action aimed at US citizens domestically).
