spaceworthyadj.

1931 E. E. Smith in Amazing Stories Aug. 411/1 Slowly but steadily, under Stevens' terrific welding projector, the stubborn steel flowed together, once more to become a seamless, space~worthy structure.

1954 Startling Stories Fall 53/1 A lifeship is a flimsy tin can, as spaceworthy as an open raft on the broad ocean, as spaceworthy as an umbrella in a windstorm.

1968 Daily Tel. 16 Dec. 1/8 Russia's unmanned Zond 5 and 6 made successful ‘boomerang’ flights round the moon, and Soyuz 3 has been proved space-worthy for four days.

2001 Cryogenics 41 771 Such missions are envisaged to be completely cryogen-free, replacing the traditional superfluid liquid helium cryostat with a spaceworthy mechanically cooled system.

1934 Astounding Stories Aug. 23/1 That awful force had had practically no effect upon the spaceworthiness of the stanch little vessel.

1960 New Statesman 30 Jan. 146/2 Apparently no other proofs were needed to demonstrate the efficacy of their measures to ensure the space-worthiness of the cosmic vehicle.

1988 A. C. Clarke 2061: Odyssey Three 199 It seemed the right thing to do—even though, with any luck, Galaxy 's spaceworthiness would soon be of no further concern to anyone.

2004 J. Varley Red Thunder iv. 34 The Mark II had just received its spaceworthiness certificate from NASA.