BLACKHAWK SERPA Quick Disconnect Modular Drop-Leg Platform Kit, Includes 2 Female and 1 Male Adaptor, Black 430950BK In 1990, a Navy SEAL was navigating a minefield when his pack failed. As his gear tumbled to the ground, he vowed that if he got out of there alive he would make gear the right way. Today, this commitment to quality and reliability applies to everything BlackHawk does.