Chapter 1 Questions

Question 1

True/False: Repeating the space mission design process is disadvantageous, because it ultimately drives up program costs and schedule.

Answer 1

False

Question 2

Which of the following are the main areas of complexity in human spaceflight that distinguish these endeavors from purely robotic missions?

a. Dedicated Systems
b. Human Factors
c. Safety and Reliability
d. Logistics & Support
e. Mechanisms
f. Pressurized Structures
g. Only a,c and f
h. Only a,b,c and f

Answer 2

h. Only a,b,c and f

Question 3

At a minimum, which of the common space mission life cycle phases should be complete before a Preliminary Design Review (PDR)?

a. Operations
b. Development
c. Definition
d. Advanced Studies
e. Preliminary Analysis
f. Design
g. All of the above
h. Only c and e

Answer 3

h. Only c and e

Question 4

The real challenges of human spaceflight include safety, comfort, productivity, and above all affordability, all of which comes down eventually to:

a. Building a single stage to orbit transport system
b. Making enough crew entertainment available
c. Fielding fully autonomous systems
d. Reducing launch count and mass
e. Providing enough rover vehicles
f. All of the above

Answer 4

d. Reducing launch count and mass

Question 5

In-situ resource utilization (ISRU) can reduce launches of consumables that human space missions need, such as:

a. Food
b. Propellants
c. Electrical Power
d. Liquid Water
e. Oxygen
f. All of the above
g. Only a, c, d and e
h. Only b, c and e

Answer 5

g. Only a, c, d and e

Question 6

Why are environmentally adaptable systems so desirable for human space mission architectures?

a. Environmentally adaptive systems are not as difficult or costly to design and develop
b. Adaptive systems are more reusable than single-purpose designs
c. Experienced crew can anticipate changes in their operational environment and adapt faster, safer and more creatively than autonomous systems
d. Adaptive systems use fewer components and simpler interfaces

Answer 6

c. Experienced crew can anticipate changes in their operational environment and adapt faster, safer and more creatively than autonomous systems

Question 7

In the highly iterative human space mission design process that includes the major steps shown in Table 1.2, where does a typical iterative design cycle re-enter the process?

a. Define broad mission objectives
b. Define mission requirements and constraints
c. Develop alternative mission concepts and architectures
d. Identify system drivers and critical requirements for each concept and architecture
e. Select a baseline mission concept and architecture
f. Define system or subsystem requirements
g. Document choices and rationale
h. Any of the above

Answer 7

h. Any of the above

Question 8

Match the following definitions with the appropriate term(s)
Use space mission’s products (such as remote sensing images) for a fee or other consideration.
a. Sponsors
b. Customers
c. Developers
d. Operators
e. End Users

Answer 8

b. Customers

Question 9

Match the following definitions with the appropriate term(s)
Engineering and procuring agents, providing the needed product or capability according to stated requirements, on time and within shifting political and budget constraints; often international groups of government agencies, businesses, contractors, subcontractors, and organizations
a. Sponsors
b. Customers
c. Developers
d. Operators
e. End Users

Answer 9

c. Developers

Question 10

Match the following definitions with the appropriate term(s)
Establish the mission statement, schedule, and fund availability limits
a. Sponsors
b. Customers
c. Developers
d. Operators
e. End Users

Answer 10

a. Sponsors

Question 11

Match the following definitions with the appropriate term(s)
Control and maintain the space and ground assets during missions

a. Sponsors
b. Customers
c. Developers
d. Operators
e. End Users

Answer 11

d. Operators

Question 12

Match the following definitions with the appropriate term(s)
Receive and use the space mission’s products and capabilities
a. Sponsors
b. Customers
c. Developers
d. Operators
e. End Users

Answer 12

e. End Users

Question 13

Match the following definitions with the appropriate term(s)
Launch facilities, launch systems, propulsion systems; interfaces, payload fairing, and associated support equipment and facilities on the ground
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 13

c. Transportation Element

Question 14

Match the following definitions with the appropriate term(s)
Crew habitats, structures, and vehicles needed to survive and use the natural or in-situ resources
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 14

d. Surface Element

Question 15

Match the following definitions with the appropriate term(s)
Orbiting infrastructure to support crew and payloads: space vehicles, transportation vehicles, and vehicles for entry, descent, landing, and ascent
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 15

f. Space Element

Question 16

Match the following definitions with the appropriate term(s)
Concept, functions, policies, procedures, information conduits, personnel in the ground and space elements
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 16

a. Mission Operations

Question 17

Match the following definitions with the appropriate term(s)
Trajectory or path, which may include: initial parking, transfer trajectory, arrival parking, landing trajectory, ascent trajectory, return parking, return transfer trajectory, return parking, and a final landing trajectory
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 17

e. Orbit

Question 18

Match the following definitions with the appropriate term(s)
Main feature and strongest influence on the system’s overall design; incorporates elements of physiology, psychology, specific and overall safety and reliability issues, forcing difficult system trades
a.	Mission Operations
b.	Crew
c.	Transportation Element
d.	Surface Element
e.	Orbit
f.	Space Element

Answer 18

b. Crew

Question 19

Future human space mission architectures supporting extended stays beyond LEO must integrate which of the following:

a. Safety Infrastructure
b. Autonomous operational strategies and systems
c. Robust and flexible systems
d. Winged space vehicles
e. Onboard storage for every replaceable part and consumable
f. Multi-functional tools that can deal with unexpected events and circumstances
g. All of the above
h. Only a, c and f

Answer 19

h. Only a, c and f