"during the escalation" is correct and usable in written English.
It is used to describe when something is happening during a period of rising intensity or emotion. For example, "During the escalation of the dispute, the parties sought mediation."
In Washington, he fought to keep inflation under control during the escalation of the Vietnam War.
World Vision temporarily closed our programmes in Central African Republic during the escalation of violence in late September, but one of the consequences is that people dependent on assistance are unable to receive it as long as insecurity prevents access.
That's true even for those who become loved and admired — among them, in modern times, Franklin D. Roosevelt, John F. Kennedy, and Ronald Reagan — as well as for those who remain widely loathed, among them Lyndon B. Johnson, whose mendacity during the escalation of the Vietnam War led to his virtual abdication, and Richard Nixon, whose lies and flouting of the law disgraced his office.
These differences in the number of events appear to be most substantial during the escalation of violence in 2006-2007 and for low and high thresholds.
Note, too, that especially during the escalation of violence in 2006-2007 the conflict in Iraq became highly politicized along the Sunni/Shia divide.
Such size bias should be especially pronounced in situations with a high density of incidents and only limited reporting capacity - in Iraq this would have been most relevant during the escalation of the conflict in 2006-2007.
Nearly half of all German combat deaths, for instance, were registered during that period, while the escalation of the air war gave the world the horror of Dresden.
Iron Dome performed, I think it's fair to say, remarkably well during the recent escalation".
"Iron Dome performed, I think it's fair to say, remarkably well during the recent escalation," Panetta said.
However, this is only true during the 2006-2007 escalatiof of violence.
However, during the rapid escalation of unrest and the critical moments of the crisis, there was a potential for disconnect to occur between this local and national advice provision to the AGEOC and the NCMC respectively, and this resulted in a divergence of the science advice (which was informing evacuation planning) at Local and National levels (Cronin 2008, discussed further in Section 5.2).
