After Nelson had gone and before I had learned of Buell's arrival, I sent word to department headquarters that I should go to Nashville myself on the 28th if I received no orders to the contrary.
The orders directed that I should report at department headquarters at St. Louis without delay, to receive important special instructions.
Orders were given to all the commanders engaged at Shiloh to send in their reports without delay to department headquarters.
Not having received an answer to my first dispatch, I again telegraphed to department headquarters that I should start for Paducah that night unless I received further orders.
Copies of this, of course, had gone to Department Headquarters.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "department headquarters" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.