The Golden Knights were conducting night training at Homestead Air Reserve Base in Homestead, Florida, when the injuries occurred around 4 a.m., the release said.
“The incident is under investigation at this time,” according to the release.
Two are in critical condition and the third is in serious condition as of Tuesday evening, according to a USAREC statement.
The Army and the Vegas team reached an agreement after seven months of dispute.
All three soldiers arrived by medevac helicopter to Jackson Memorial Hospital in Miami, the Associated Press reported.