5-50. On which of the following occasions would the wearing of working uniforms be appropriate? 1. While on liberty in CONUS 2. When working in the engine room 3. When  conducting  business  off base 4. While  standing  officer  of  the deck  in  port 5-51. Which,    if  any,  of  the  following c h i e f   p e t t y   o f f i c e r s   i s / a re required  to  wear  the  aviation working  green  uniform? 1. AVCM Jane B.   Doe  assigned  to VAQ-122 as command master chief 2. A l l   c h i e f   p e t t y   o f f i c e rs assigned to an aviation command 3. ABHC  John  A.  Doe  assigned  to Naval  Air  Facility,  Sigonella as  senior  enlisted  advisor 4. None  of  the  above 5-52. When in uniform, which of the following  circumstances  would  be considered  inappropriate  for  the wearing  of  sunglasses? 1. On watch 2 .   O n   l i b e r t y 3. When  in  formation 4. When  conducting  official business  off  base 5-53. When  wearing  the  combination  cap, what  is  the  correct  position  of  the rivet  on  the  chin  strap? 1. To  the  left  side  of  the combination  cap 2. To  the  right  side  of  the combination  cap 3. Centered in the front 4. Centered in the back 5-54. The  chevrons,  rocker,  service stripes,  and  specialty  mark  of  the rating  badge  worn  on  the  aviation working  green  uniform  of  a  person with  12  years' continuous  good conduct  are  what  color? 5-55. Suppose an MACM serving at a command in a law enforcement billet receives  orders  to  a  command  where she  will  be  filling  the  billet  as command  master  chief. What changes,  if  any,    should be made to the  rating  badge  to  reflect  the  new position  as  command  master  chief? 1. The  specialty  mark  should  be replaced  by  a  silver  star 2 .  A  third  silver  star  should  be added  centered  between  the  two already  on  her  rating  badge 3. The  two  silver  stars  on  the rating  badge  should  be  replaced by  one  gold  star  centered  above the  eagle’s  head 4. None  of  the  above 5-56. A  master  chief  petty  officer  is serving as command master chief at Naval Station, Charleston, South Carolina. The  person’s  next assignment  will  be  as  master  chief petty  officer  of  the  Navy  (MCPON) at Washington, D.C. What changes, if  any,    should  be  made  to  the person’s  rating  badge  and  collar devices? 1. A  third  silver  star  should  be added to the rating badge and the  collar  device  should  remain unchanged 2. A gold star should be added between  the  two  silver  stars and  the  collar  device  should remain  unchanged 3. The  current  stars  above  the eagle  should  be  replaced  with three  gold  stars  and  a  third raised  star  should  be  added  to the  collar  device 4. None  of  the  above 1. Gold 2. Blue 3. S i l v er 4. Scarlet 33