Jason applied Quikclot powder to treat a wound. Quikclot is an antihemorrhagic, as in it stops the bleeding
ACE, as in ACE count, stands for Ammo (Ammunition), Casualty, Equipment.
ATAK is short for Android Team Awareness Kit, which is an app or application that runs on a smart phone. It is a geospatial infrastructure and military situation awareness app that provides precision targeting, surrounding land formation intelligence, situational awareness, navigation, and data sharing.
Smoke check is defined as "To immediately kill/incapacitate an enemy or threat in close proximity with extreme violence of action, usually though a large volume of gun fire". The term derives from the practice of using an aerosol spray known as smoke check spray to test the efficacy of smoke alarms.
A Mission Support Site (MSS) is the functional equivalent of an initial contingency location or a patrol base.