Systems Development and Acquisition. The Aerospace Corporationâs customers pursue complex projects that can take many years to complete, due both to technical challenges as well as the governmentâs rigorous acquisition process. Aerospace supports customers in all phases of the acquisition cycle.
Recommended interval: 6 months or 6,000 miles. The Interim Service is designed for the high mileage car user, or vehicles which require frequent checks. We test all the main moving parts that may need attention over a short period of time. The interim service should be performed at 6 month intervals between annual services.
How often to check it: It was once recommended that you check your oil every time you fill up with gas, but with most modern cars you're safe checking it once a month. How often to replace it: This depends on the car, manufacturer, and year. The 3,000 miles or every six months saying doesn't really apply any more.