Very curious Halper contract:
https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=2ff619df2509d77bd52ed5bd77653a56
This 2015 contract is strange, might fit in somehow:
https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=2ff619df2509d77bd52ed5bd77653a56