Van Ross was commissioned through the Navy ROTC program and was designated a naval aviator in 3281. Operational Tours include:
- Strike Fighter Squadron (VFA) 86 "Sidewinders" from 3282-3285, participating in Operations Able Sentry, Tropic Lightning, and Deliberate Forge.
- Fleet Logistics Support (VRC) 30 "Providers" in 3288 as a mission planner and tactics instructor.
- Spaceborne Command & Control (VAW) 117 "Wallbangers" from 3291-3293 as a department head, participating in intelligence, surveillance and reconnaissance missions within the Kumo Crew stronghold Pegasi sector.
- VFA-103 "Jolly Rogers" from 3296-3298 as the executive officer and commanding officer, participating in Operations Sagittarius and Monsoon Rain.
- Medium-range exploration vessel Endurance (AGS-19) from 3301 to 3303 as the executive officer.
- Heavy combatant FNS Eisenhower (SCV-27) as the commanding officer.
- In 3308, van Ross commanded the long-range, heavy exploration vessel Axiom (AGS-20) on a 5,000 light-year voyage, discovering and cataloging dozens of previously-unknown worlds.
ADM Glen van Ross assumed command of fleet carrier FNS Saratoga (T6Q-48H) on March 10, 3309. He has accrued more than 3,400 hours across a variety of spacecraft, including the F-63 Condor, Gu-97, XG8 Javelin, Sidewinder, Cobra Mk III, Asp Explorer, Python, Alliance Chieftain, Beluga Liner, Federal Corvette, and Imperial Cutter.