Complex sentence: The pilot made the call to take stricken helicopter off, he yanked the controls to bring the Chinook back into the air, PO1 Neil C. Roberts to fall out of the open ramp, one SOAR crewman grabbed hold of his pack but lost his grip.
Split into simpler sentences: The pilot made the call to take stricken helicopter off; as he brought the Chinook back into the air, PO1 Neil C. Roberts fell out of the open ramp. One SOAR crewman grabbed hold of his pack but lost his grip.