I've been both chief of safety and flight safety. From doing both, the only one that really has any safety knowledge, training, and activities is flight safety. The guy in charge (at least where I was at) had to write the OPRs, oversee the office, and attend all the meetings. Ground and Weapons safety took up huge amounts of my time as the overall chief, and had absolutely nothing to do with flying safety. Meanwhile, as the flight safety guy I got really smart on a lot of things that had a direct effect on flying safety plus I went to flight safety school. If you can justify, I'd recommend checking those containers.
Just FYI, I am in the military and have not done any interviews so my perspective could be skewed. Take any advice here with a grain of salt.