Col. Michael Grismer, 436th Airlift Wing commander, center, poses with members of the 436th Aerospace Medicine Squadron Bioenvironmental Flight, during a visit to learn about their mission and capabilities July 17, 2015, at Dover Air Force Base, Del. Grismer wears medical gloves while handling a syringe during a test. From left to right are: Staff Sgt. Thomas McNally, Occupational Health Program NCO in charge, 1st Lt. Martin Gakuria, Bioenvironmental Engineering Flight deputy officer in charge and Staff Sgt. Jeffry Stamm, Readiness Flight NCO in charge. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, center, listens as Staff Sgt. Jeffry Stamm, 436th Aerospace Medicine Squadron, Readiness Flight NCO in charge, right, describes the functions of a high-volume air sampler used for detecting radioactive particles suspended in the air July 17, 2015, at Dover Air Force Base, Del. Grismer visited to learn about the unit's mission and capabilities. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, uses a 451P radiation detector to search for a hidden test article during a visit to the 436th Aerospace Medicine Squadron Bioenvironmental Flight July 17, 2015, at Dover Air Force Base, Del. Grismer saw first-hand the sensitivity of the equipment by finding a small hidden object within a large room with this device. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, holds a SAM 940 radiation identification machine over a piece of very-low radioactive material enclosed in plastic while learning how sensitive the machine is during a visit to the 436th Aerospace Medicine Squadron Bioenvironmental Flight July 17, 2015, at Dover Air Force Base, Del. Grismer saw first-hand the sensitivity of the equipment and learned how it would be used during his visit. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, gives a thumbs-up indicating he has a tight, leak-free fit on a M50 joint service protective gas mask that he has donned during a visit to the 436th Aerospace Medicine Squadron Bioenvironmental Flight July 17, 2015, at Dover Air Force Base, Del. Grismer donned the gas mask and did a fit and function test while learning about the mission of the flight during his visit. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, adjusts the tension on straps of a M50 joint service protective gas mask during a visit to the 436th Aerospace Medicine Squadron Bioenvironmental Flight July 17, 2015, at Dover Air Force Base, Del. Grismer donned the gas mask and did a fit and function test while learning about the mission of the flight during his visit. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, inserts a syringe with fluid to be tested in a device held by Staff Sgt. Jeffry Stamm, 436th Aerospace Medicine Squadron Readiness Flight NCO in charge, during a mission capabilities demonstration July 17, 2015, at Dover Air Force Base, Del. Grismer wears medical gloves as a safety precaution. (U.S. Air Force photo/Greg L. Davis)
Col. Michael Grismer, 436th Airlift Wing commander, right, and Chief Master Sgt. John Elstrom, 436th Maintenance Group superintendent, pose with a Level A hazardous material suit during a visit to the 436th Aerospace Medicine Squadron Bioenvironmental Flight July 17, 2015, at Dover Air Force Base, Del. Grismer and Elstrom learned about the mission capabilities of the specialized flight during their visit. (U.S. Air Force photo/Greg L. Davis)