Ben Bova: Forward in Time - a collection of stories (1973.) This is the first appearance in a Bova collection for any of these.

(Introduction by Ben Bova)
The Next Logical Step
A Slight Miscalculation
Blood of Tyrants
Zero Gee
Test in Orbit
Fifteen Miles
The Weathermakers
Men of Good Will
The Perfect Warrior
Stars, Won't You Hide Me?

Original appearances from 1962 to 1972 - in Analog, Magazine of F&SF, Amazing, Galaxy, Worlds of Tomorrow, AGAIN,DANGEROUS VISIONS.