Over the 4 years of the Trump administration, we had oodles of folks come out with similar letters. The single largest list was 780 or so former National Intelligence types.
If these 120ish people matter to you, then you would have to also give credence to National Security Leaders for Biden... As I state ITT, I don't think their opinions mean much more than regular Janes and Joes - you know the ones who overwhelmingly did NOT vote for Trump in either of his Presidential runs.
people who work for the government and profit from war spending support the people that give them more government and more war spending? Wow dave, keep bringing the heat.