zafonte from homebase joining us today. one more item. we need to make sure that dod sets a special on the maximum number of rounds of servicemembers can safely fire and that this includes consideration of exposure limit over an extended time. dod must do its part, and congress must do our part. so to our witnesses, welcome and thank you for appearing. were going to have two panels today. the first, first panel will consist of size witnesses to provide their perspective on where dod and the services are falling short on protecting servicemembers from blast overpressure. doctor samantha, professor policy analysis at party brand. dr. zafonte, and wellness programs at home base, and frank larkin, chief operating officer of troops first foundation, and lead of the national warrior called the initiative. the second panel will consist of officials of the department of f defense and walter reed to hear about out dod is tackling this issue. we will have doctor lester martinez-lopez, assistant secretary of defense for health affairs, kathy lee, di