 Complete the following phrase:  In September 2004, the unit again deployed over 300 personnel with aircraft and equipment to Al Udeid AB, Qatar for Operation Iraqi Freedom. This deployment also marked a significant first for the unit and the U.S. Military. The 187th was the first unit to ever use the GBU-38 Joint Direct Attack Munition in combat. The GBU-38 is a 500 lb global positioning system GPS guided bomb which, while being very effective, minimizes collateral damage. The GBU-38 is a precision guided munition commonly referred to as a Smart Bomb. This weapon was effectively employed by the 187th in the 