http://apcnasa3ozl2j74htizuzba5b6nhugbg2qze2nrz43siunkct555fpid.onion
The USAF evaluated OF 2 /B 2 H 6 primarily for SDI/BMD applications. With an I sp of 325 lb f -s/lb m , hypergolic reactivity, space storable usage, and decent performance in both pump-fed and pressure-fed systems, OF 2 /B 2 H 6 seemed very attractive.