"massive reinforcements" is a correct and usable phrase in written English.
It can be used in a variety of contexts to describe a large and powerful group of additional resources or support. Example: The army sent in massive reinforcements to aid the struggling troops on the front lines, turning the tide of the battle in their favor.
I have ordered massive reinforcements be brought into Jerusalem and that additional means to used in order to ensure law and order in Israel's capital".
Clifford soon decided not only that massive reinforcements were ill-advised but that the entire war effort had to be reassessed.
As the German strength on the Western Front was being steadily increased by the transfer of divisions from the Eastern Front (where they were no longer needed since Russia had withdrawn from the war), the Allies' main problem was how to withstand an imminent German offensive pending the arrival of massive reinforcements from the United States.
This was spotted and reported by the Israelis at Tabgha, and the additional reprieve allowed the Kinarot Valley villages to evacuate the children, elderly and sick, as well as conduct maneuvers which feigned massive reinforcements in the Poria-Alumot region.
He was able to deceive Halleck into thinking the Confederates were about to attack; he ran empty trains back and forth through the town while whistles blew and troops cheered as if massive reinforcements were arriving.
US military chiefs planned a massive reinforcement of American military forces in South Korea - a process that risked provoking the pre-emptive North Korean strike that it was designed to forestall.
British military planners in London had, with the outbreak of hostilities, begun planning a massive reinforcement of the troops in North America.
Now, people around the world might be getting reintroduced to Native American peoples by the force that is Rowling's Harry Potter, and the appropriative and stereotypical treatment of Native communities isn't just a missed opportunity -- it's another massive reinforcement of an actively damaging problem. .
Validating the old maxim about fools charging in, former Vice President Dick Cheney, who declared in 2002, "Taliban is out of business, permanently," is blasting Obama for dithering over Afghanistan and urging massive troop reinforcements.
The strength can be further enhanced by embedding massive dendritic reinforcements in to the porous metal.
The addition of the columns could save a few million dollars by all but doing away with the cantilever, which would have required massive structural reinforcement.
