Minor correction

[Kevin Carosso <KVC%engvax.UUCP%usc-oberon.ARPA@usc-oberon>]

For anyone picky enough to care:

>6. "Hello Earth"
> a. Four voices, three (?) on land, one (?) in space capsule:
>      First voice: "Columbia now at nine times the speed of sound"
>      Second voice: "Roger that, Dan, I've got a solid tach-end {?}
>           locked on, uh, tach-end twenty-three"

The second voice should read:

"...got a solid TACAN lock on TACANs two and three"

The TACAN system is a military navigational system, also used by the shuttle.

	/Kevin Carosso