This was more than a little ironic coming so soon after the president's summons to enter "a new era of responsibility" and his repeated calls to duty, service, and sacrifice.
Reed et al (2004) applied a "variable-load heavy-duty test cycle" and Reed et al. (2005 and 2006) a "continuous, repeating, heavy-duty certification cycle" (both according to US Code of Federal Regulations, Title 40, Chapter I).
We all know that repeated tours of duty increase the likelihood of developing post-traumatic stress disorder or experiencing a traumatic brain injury.
Special traits of the current wars may contribute to homelessness, including high rates of post-traumatic stress disorder, or PTSD, and traumatic brain injury, which can cause unstable behavior and substance abuse, and the long and repeated tours of duty, which can make the reintegration into families and work all the harder.
Our troops have performed heroically, despite repeated tours of duty in Iraq and Afghanistan.
After a decade of fighting simultaneous wars in Iraq and Afghanistan, the strain of repeated tours of duty has been devastating to thousands of troops and military families.
This is for heavy duty, repeated work, such as on a building site.
He repeated his conducting duties when John Paul II celebrated Mass at the stadium 14 years later.
Life's repeated events and duties can be huge time wasters or savers.
How many Allison's are we going to have before we stop it?" President Obama, too, has expressed frustration with the cycle of presidential duties repeated throughout his presidency of comforting the nation, mourners and survivors of shooting rampages, only to be met with political inaction.
