How big is the contract? When will it launch? And who the heck is “SpinLaunch” anyway?

Liftoff is at 12:28 p.m. EDT (1628 GMT).
Tory bruno, president and CEO, united launch alliance.
Kay sears, vice president and general manager, military space, lockheed martin.
Heather Wilson, Former Secretary of the U.S. Air Force.
Moderator: bryan bender, defense and space editor, politico.
A whole new moon
Lava tubes. Cave cities. Extreme sports. The next century of lunar settlement is wilder than you think.
Trump meets with astronauts Buzz Aldrin and Michael Collins and the family of Neil Armstrong to commemorate the 50th anniversary of the Apollo 11 Moon landing.